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Start-SqlServerMigration.ps1
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#Requires -Version 3.0
<#
.SYNOPSIS
Migrates SQL Server databases, logins, SQL Agent objects, and global configuration settings from one SQL Server to another.
.DESCRIPTION
This script provides the ability to migrate databases using detach/copy/attach or backup/restore. SQL Server logins, including passwords, SID and database/server roles can also be migrated. In addition, job server objects can be migrated and server configuration settings can be exported or migrated. This script works with named instances, clusters and SQL Express.
By default, databases will be migrated to the destination SQL Server's default data and log directories. You can override this by specifying -ReuseFolderStructure. Filestreams and filegroups are also migrated. Safety is emphasized.
THIS CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
.PARAMETER Source
Source SQL Server. You must have sysadmin access and server version must be > SQL Server 7.
.PARAMETER Destination
Destination SQL Server. You must have sysadmin access and server version must be > SQL Server 7.
.PARAMETER UseSqlLoginSource
Uses SQL Login credentials to connect to Source server. Note this is a switch. You will be prompted to enter your SQL login credentials.
Windows Authentication will be used if UseSqlLoginSource is not specified.
NOTE: Auto-populating parameters (ExcludeDBs, ExcludeLogins, IncludeDBs, IncludeLogins) are populated by the account running the PowerShell script.
.PARAMETER UseSqlLoginDestination
Uses SQL Login credentials to connect to Destination server. Note this is a switch. You will be prompted to enter your SQL login credentials.
Windows Authentication will be used if UseSqlLoginDestination is not specified. To connect as a different Windows user, run PowerShell as that user.
.PARAMETER AllUserDBs
Migrates user databases. Does not migrate system or support databases. A logfile named $SOURCE-$DESTINATION-$date-logins.csv will be written to the current directory. Requires -BackupRestore or -DetachAttach. Talk about database structure.
.PARAMETER IncludeSupportDBs
Migration of ReportServer, ReportServerTempDB, SSIDB, and distribution databases if they exist. A logfile named $SOURCE-$DESTINATION-$date-SQLs.csv will be written to the current directory. Requires -BackupRestore or -DetachAttach.
.PARAMETER BackupRestore
Use the a Copy-Only Backup and Restore Method. This parameter requires that you specify -NetworkShare in a valid UNC format (\\server\share)
.PARAMETER DetachAttach
Uses the detach/copy/attach method to perform database migrations. No files are deleted on the source. If the destination attachment fails, the source database will be reattached. File copies are performed over administrative shares (\\server\x$\mssql) using BITS. If a database is being mirrored, the mirror will be broken prior to migration.
.PARAMETER ReattachAtSource
Reattaches all source databases after DetachAttach migration.
.PARAMETER ReuseFolderStructure
By default, databases will be migrated to the destination SQL Server's default data and log directories. You can override this by specifying -ReuseFolderStructure. The same structure will be kept exactly, so consider this if you're migrating between different versions and use part of Microsoft's default SQL structure (MSSQL12.INSTANCE, etc)
.PARAMETER NetworkShare
Specifies the network location for the backup files. The SQL Service service accounts must read/write permission to access this location.
.PARAMETER AllLogins
Migrates all logins, along with their passwords, sids, databasae roles and server roles. Use ExcludeLogins to exclude specific users. Use -force to drop and recreate any existing users on destination. Otherwise, they will be skipped. The 'sa' user and users starting with ## will be skipped. Also updates database owners on destination.
.PARAMETER ExcludeDBs
Excludes specified databases when performing -AllUserDBs migrations. This list is auto-populated for tab completion.
.PARAMETER IncludeDBs
Migrates ONLY specified databases. This list is auto-populated for tab completion.
.PARAMETER ExcludeLogins
Excludes specified logins when performing -AllUserDBs migrations. This list is auto-populated for tab completion.
.PARAMETER IncludeLogins
Migrates ONLY specified logins. This list is auto-populated for tab completion.
.PARAMETER ExportSPconfigure
Exports all server configurations from sp_configure to SQL file named $SOURCE-$DESTINATION-$date-sp_configure.sql in the current directory.
Not compatible with SQL Server 2000.
.PARAMETER RunSPconfigure
Exports all global configuration options from source server and executes it on the destination server. Running ExportSPconfigure then evaluating the export and running it on the destination is recommended instead.
Not compatible with SQL Server 2000.
.PARAMETER MigrateJobServer
Migrates all job server objects, including proxy accounts, job schedules, shared schedules, alert system, job categories, operator categories, alert categories, alerts, target server groups, target servers, operators, and jobs. Existing objects will not be deleted, and no -force option is available.
.PARAMETER MigrateUserObjectsinSysDBs
This switch migrates user-created objects in the systems databases to the new server. This is useful for DBA's who create environment specific stored procedures, tables, etc in the master, model or msdb databases.
.PARAMETER SetSourceReadOnly
Sets all migrated databases to ReadOnly prior to detach/attach & backup/restore. If -ReAttachAtSource is used, db is set to read-only after reattach.
.PARAMETER Everything
Migrates all logins, databases, agent objects, except those listed by ExcludeDBs and ExcludeLogins.
Also exports sp_configure settings and user created objects within system databases.
.PARAMETER Force
If migrating users, forces drop and recreate of SQL and Windows logins.
If migrating databases, deletes existing databases with matching names.
If using -DetachAttach, -Force will break mirrors and drop dbs from Availability Groups.
MigrateJobServer not supported.
.NOTES
Author : Chrissy LeMaire
Requires: PowerShell Version 3.0, SQL Server SMO
DateUpdated: 2015-Aug-5
Version: 1.3.6
Limitations: Doesn't cover what it doesn't cover (replication, linked servers, certificates, etc)
SQL Server 2000 login migrations have some limitations (server perms aren't migrated, etc)
SQL Server 2000 databases cannot be directly migrated to SQL Server 2012 and above.
Logins within SQL Server 2012 and above logins cannot be migrated to SQL Server 2008 R2 and below.
.LINK
https://gallery.technet.microsoft.com/scriptcenter/Use-PowerShell-to-Migrate-86c841df/
.EXAMPLE
.\Start-SqlServerMigration.ps1 -Source sqlserver\instance -Destination sqlcluster -DetachAttach -Everything
Description
All databases, logins, job objects and sp_configure options will be migrated from sqlserver\instance to sqlcluster. Databases will be migrated using the detach/copy files/attach method. DBowner will be updated. User passwords, SIDs, database roles and server roles will be migrated along with the login.
.EXAMPLE
.\Start-SqlServerMigration.ps1 -Source sqlserver\instance -Destination sqlcluster -AllUserDBs -ExcludeDBs Northwind, pubs -IncludeSupportDBs -force -AllLogins -ExcludeLogins nwuser, pubsuser, "corp\domain admins" -MigrateJobServer -ExportSPconfigure -UseSqlLoginSource -UseSqlLoginDestination
Description
Prompts for SQL login usernames and passwords on both the Source and Destination then connects to each using the SQL Login credentials.
All logins except for nwuser, pubsuser and the corp\domain admins group will be migrated from sqlserver\instance to sqlcluster, along with their passwords, server roles and database roles. A logfile named SQLSERVER-SQLCLUSTER-$date-logins.csv will be written to the current directory. Existing SQL users will be dropped and recreated.
Migrates all user databases except for Northwind and pubs by performing the following: kick all users out of the database, detach all data/log files, move files across the network over an admin share (\\SQLSERVER\M$\MSSQL...), attach file on destination server. If the database exists on the destination, it will be dropped prior to attach.
It also includes the support databases (ReportServer, ReportServerTempDB, SSIDB, distribution).
If the database files (*.mdf, *.ndf, *.ldf) on SQLCLUSTER exist and aren't in use, they will be overwritten. A logfile named SQLSERVER-SQLCLUSTER-$date-SQLs.csv will be written to the current directory.
All job server objects will be migrated. A logfile named SQLSERVER-SQLCLUSTER-$date-jobs.csv will be written to the current directory.
A file named SQLSERVER-SQLCluster-$date-sp_configure.sql with global server configurations will be written to the current directory. This file can then be executed manually on SQLCLUSTER.
#>
[CmdletBinding(DefaultParameterSetName="DBMigration", SupportsShouldProcess = $true)]
Param(
# Source SQL Server
[parameter(Mandatory = $true)]
[string]$Source,
# Destination SQL Server
[parameter(Mandatory = $true)]
[string]$Destination,
#Other Migrations
[switch]$AllLogins,
[switch]$MigrateJobServer,
[switch]$ExportSPconfigure,
[switch]$RunSPConfigure,
[switch]$MigrateUserObjectsinSysDBs,
# Database Migration
[Parameter(Mandatory = $true, ParameterSetName="DBAttachDetach")]
[switch]$DetachAttach,
[Parameter(Mandatory = $true,ParameterSetName="DBBackup")]
[switch]$BackupRestore,
[Parameter(ParameterSetName="DBBackup")]
[Parameter(ParameterSetName="DBAttachDetach")]
[switch]$ReuseFolderstructure,
[Parameter(ParameterSetName="DBBackup")]
[Parameter(ParameterSetName="DBAttachDetach")]
[switch]$AllUserDBs,
[Parameter(ParameterSetName="DBBackup")]
[Parameter(ParameterSetName="DBAttachDetach")]
[switch]$IncludeSupportDBs,
[Parameter(ParameterSetName="DBAttachDetach")]
[switch]$ReattachAtSource,
[Parameter(Mandatory=$true, ParameterSetName="DBBackup",
HelpMessage="Specify a valid network share in the format \\server\share that can be accessed by your account and both SQL Server service accounts.")]
[string]$NetworkShare,
[Parameter(ParameterSetName="DBBackup")]
[Parameter(ParameterSetName="DBAttachDetach")]
[switch]$Everything,
[Parameter(ParameterSetName="DBBackup")]
[Parameter(ParameterSetName="DBAttachDetach")]
[switch]$SetSourceReadOnly,
# The rest
[switch]$UseSqlLoginSource,
[switch]$UseSqlLoginDestination,
[switch]$Force
)
DynamicParam {
if ($Source) {
# Check for SMO and SQL Server access
if ([Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SMO") -eq $null) {return}
$server = New-Object Microsoft.SqlServer.Management.Smo.Server $source
$server.ConnectionContext.ConnectTimeout = 2
try { $server.ConnectionContext.Connect() } catch { return }
$SupportDBs = "ReportServer","ReportServerTempDB", "SSISDB", "distribution"
# Populate arrays
$databaselist = @(); $loginlist = @()
foreach ($database in $server.databases) {
if ((!$database.IsSystemObject) -and $SupportDBs -notcontains $database.name) {
$databaselist += $database.name}
}
foreach ($login in $server.logins) {
if (!$login.name.StartsWith("##") -and $login.name -ne 'sa') {
$loginlist += $login.name}
}
# Reusable parameter setup
$newparams = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary
$attributes = New-Object System.Management.Automation.ParameterAttribute
$attributes.ParameterSetName = "__AllParameterSets"
$attributes.Mandatory = $false
# Database list parameter setup
if ($databaselist) { $dbvalidationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $databaselist }
$dbattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
$dbattributes.Add($attributes)
if ($databaselist) { $dbattributes.Add($dbvalidationset) }
$IncludeDBs = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("IncludeDBs", [String[]], $dbattributes)
$ExcludeDBs = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("ExcludeDBs", [String[]], $dbattributes)
# Login list parameter setup
if ($loginlist) { $loginvalidationset = New-Object System.Management.Automation.ValidateSetAttribute -ArgumentList $loginlist }
$loginattributes = New-Object -Type System.Collections.ObjectModel.Collection[System.Attribute]
$loginattributes.Add($attributes)
if ($loginlist) { $loginattributes.Add($loginvalidationset) }
$IncludeLogins = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("IncludeLogins", [String[]], $loginattributes)
$ExcludeLogins = New-Object -Type System.Management.Automation.RuntimeDefinedParameter("ExcludeLogins", [String[]], $loginattributes)
$newparams.Add("IncludeDBs", $IncludeDBs)
$newparams.Add("ExcludeDBs", $ExcludeDBs)
$newparams.Add("IncludeLogins", $IncludeLogins)
$newparams.Add("ExcludeLogins", $ExcludeLogins)
$server.ConnectionContext.Disconnect()
return $newparams
}
}
BEGIN {
# Essential Database Functions
Function Backup-SQLDatabase {
<#
.SYNOPSIS
Makes a full database backup of a database to a specified directory. $server is an SMO server object.
.EXAMPLE
Backup-SQLDatabase $smoserver $dbname \\fileserver\share\sql\database.bak
.OUTPUTS
$true if success
$false if failure
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$server,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbname,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$backupfile
)
$server.ConnectionContext.StatementTimeout = 0
$backup = New-Object "Microsoft.SqlServer.Management.Smo.Backup"
$backup.Action = "Database"
$backup.CopyOnly = $true
$device = New-Object "Microsoft.SqlServer.Management.Smo.BackupDeviceItem"
$device.DeviceType = "File"
$device.Name = $backupfile
$backup.Devices.Add($device)
$backup.Database = $dbname
$percent = [Microsoft.SqlServer.Management.Smo.PercentCompleteEventHandler] {
Write-Progress -id 1 -activity "Backing up database $dbname to $backupfile" -percentcomplete $_.Percent -status ([System.String]::Format("Progress: {0} %", $_.Percent))
}
$backup.add_PercentComplete($percent)
$backup.add_Complete($complete)
Write-Progress -id 1 -activity "Backing up database $dbname to $backupfile" -percentcomplete 0 -status ([System.String]::Format("Progress: {0} %", 0))
Write-Host "Backing up $dbname" -ForegroundColor Yellow
try {
$backup.SqlBackup($server)
Write-Progress -id 1 -activity "Backing up database $dbname to $backupfile" -status "Complete" -Completed
Write-Host "Backup succeeded" -ForegroundColor Green
return $true
}
catch {
Write-Progress -id 1 -activity "Backup" -status "Failed" -completed
return $false
}
}
Function Restore-SQLDatabase {
<#
.SYNOPSIS
Restores .bak file to SQL database. Creates db if it doesn't exist. $filestructure is
a custom object that contains logical and physical file locations.
.EXAMPLE
$filestructure = Get-SQLFileStructures $sourceserver $destserver $ReuseFolderstructure
Restore-SQLDatabase $destserver $dbname $backupfile $filestructure
.OUTPUTS
$true if success
$true if failure
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$server,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbname,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$backupfile,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$filestructure
)
$servername = $server.name
$server.ConnectionContext.StatementTimeout = 0
$restore = New-Object "Microsoft.SqlServer.Management.Smo.Restore"
foreach ($file in $filestructure.databases[$dbname].destination.values) {
$movefile = New-Object "Microsoft.SqlServer.Management.Smo.RelocateFile"
$movefile.LogicalFileName = $file.logical
$movefile.PhysicalFileName = $file.physical
$null = $restore.RelocateFiles.Add($movefile)
}
Write-Host "Restoring $dbname to $servername" -ForegroundColor Yellow
try {
$percent = [Microsoft.SqlServer.Management.Smo.PercentCompleteEventHandler] {
Write-Progress -id 1 -activity "Restoring $dbname to $servername" -percentcomplete $_.Percent -status ([System.String]::Format("Progress: {0} %", $_.Percent))
}
$restore.add_PercentComplete($percent)
$restore.PercentCompleteNotification = 1
$restore.add_Complete($complete)
$restore.ReplaceDatabase = $true
$restore.Database = $dbname
$restore.Action = "Database"
$restore.NoRecovery = $false
$device = New-Object -TypeName Microsoft.SqlServer.Management.Smo.BackupDeviceItem
$device.name = $backupfile
$device.devicetype = "File"
$restore.Devices.Add($device)
Write-Progress -id 1 -activity "Restoring $dbname to $servername" -percentcomplete 0 -status ([System.String]::Format("Progress: {0} %", 0))
$restore.sqlrestore($server)
Write-Progress -id 1 -activity "Restoring $dbname to $servername" -status "Complete" -Completed
return $true
} catch {
write-warning "Restore failed: $($_.Exception.InnerException.Message)"
return $false
}
}
Function Get-SQLFileStructures {
<#
.SYNOPSIS
Custom object that contains file structures and remote paths (\\sqlserver\m$\mssql\etc\etc\file.mdf) for
source and destination servers.
.EXAMPLE
$filestructure = Get-SQLFileStructures $sourceserver $destserver $ReuseFolderstructure
foreach ($file in $filestructure.databases[$dbname].destination.values) {
Write-Host $file.physical
Write-Host $file.logical
Write-Host $file.remotepath
}
.OUTPUTS
Custom object
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true,Position=0)]
[ValidateNotNullOrEmpty()]
[object]$sourceserver,
[Parameter(Mandatory = $true,Position=1)]
[ValidateNotNullOrEmpty()]
[object]$destserver,
[Parameter(Mandatory = $false,Position=2)]
[bool]$ReuseFolderstructure
)
$sourcenetbios = Get-NetBIOSName $sourceserver
$destnetbios = Get-NetBIOSName $destserver
$dbcollection = @{};
foreach ($db in $sourceserver.databases) {
$dbstatus = $db.status.toString()
if ($dbstatus.StartsWith("Normal") -eq $false) { continue }
$destinationfiles = @{}; $sourcefiles = @{}
# Data Files
foreach ($filegroup in $db.filegroups) {
foreach ($file in $filegroup.files) {
# Destination File Structure
$d = @{}
if ($ReuseFolderstructure) {
$d.physical = $file.filename
} else {
$directory = Get-SQLDefaultPaths $destserver data
$filename = Split-Path $($file.filename) -leaf
$d.physical = "$directory\$filename"
}
$d.logical = $file.name
$d.remotefilename = Join-AdminUNC $destnetbios $d.physical
$destinationfiles.add($file.name,$d)
# Source File Structure
$s = @{}
$s.logical = $file.name
$s.physical = $file.filename
$s.remotefilename = Join-AdminUNC $sourcenetbios $s.physical
$sourcefiles.add($file.name,$s)
}
}
# Add support for Full Text Catalogs in SQL Server 2005 and below
if ($sourceserver.VersionMajor -lt 10) {
foreach ($ftc in $db.FullTextCatalogs) {
# Destination File Structure
$d = @{}
$pre = "sysft_"
$name = $ftc.name
$physical = $ftc.RootPath
$logical = "$pre$name"
if ($ReuseFolderstructure) {
$d.physical = $physical
} else {
$directory = Get-SQLDefaultPaths $destserver data
if ($destserver.VersionMajor -lt 10) { $directory = "$directory\FTDATA" }
$filename = Split-Path($physical) -leaf
$d.physical = "$directory\$filename"
}
$d.logical = $logical
$d.remotefilename = Join-AdminUNC $destnetbios $d.physical
$destinationfiles.add($logical,$d)
# Source File Structure
$s = @{}
$pre = "sysft_"
$name = $ftc.name
$physical = $ftc.RootPath
$logical = "$pre$name"
$s.logical = $logical
$s.physical = $physical
$s.remotefilename = Join-AdminUNC $sourcenetbios $s.physical
$sourcefiles.add($logical,$s)
}
}
# Log Files
foreach ($file in $db.logfiles) {
$d = @{}
if ($ReuseFolderstructure) {
$d.physical = $file.filename
} else {
$directory = Get-SQLDefaultPaths $destserver log
$filename = Split-Path $($file.filename) -leaf
$d.physical = "$directory\$filename"
}
$d.logical = $file.name
$d.remotefilename = Join-AdminUNC $destnetbios $d.physical
$destinationfiles.add($file.name,$d)
$s = @{}
$s.logical = $file.name
$s.physical = $file.filename
$s.remotefilename = Join-AdminUNC $sourcenetbios $s.physical
$sourcefiles.add($file.name,$s)
}
$location = @{}
$location.add("Destination",$destinationfiles)
$location.add("Source",$sourcefiles)
$dbcollection.Add($($db.name),$location)
}
$filestructure = [pscustomobject]@{"databases" = $dbcollection}
return $filestructure
}
Function Dismount-SQLDatabase {
<#
.SYNOPSIS
Detaches a SQL Server database. $server is an SMO server object.
.EXAMPLE
$detachresult = Dismount-SQLDatabase $server $dbname
.OUTPUTS
$true if success
$false if failure
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$server,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbname
)
$database = $server.databases[$dbname]
if ($database.IsMirroringEnabled) {
try {
Write-Warning "Breaking mirror for $dbname"
$database.ChangeMirroringState([Microsoft.SqlServer.Management.Smo.MirroringOption]::Off)
$database.Alter()
$database.Refresh()
Write-Warning "Could not break mirror for $dbname. Skipping."
} catch { return $false }
}
if ($database.AvailabilityGroupName.Length -gt 0 ) {
$agname = $database.AvailabilityGroupName
Write-Host "Attempting remove from Availability Group $agname" -ForegroundColor Yellow
try {
$server.AvailabilityGroups[$database.AvailabilityGroupName].AvailabilityDatabases[$dbname].Drop()
Write-Host "Successfully removed $dbname from detach from $agname on $($server.name)" -ForegroundColor Green
} catch { Write-Host "Could not remove $dbname from $agname on $($server.name)" -ForegroundColor Red; return $false }
}
Write-Host "Attempting detach from $dbname from $source" -ForegroundColor Yellow
####### Using SQL to detach does not modify the $database collection #######
$sql = "ALTER DATABASE [$dbname] SET SINGLE_USER WITH ROLLBACK IMMEDIATE;EXEC master.dbo.sp_detach_db N'$dbname'"
try {
$null = $server.ConnectionContext.ExecuteNonQuery($sql)
Write-Host "Successfully detached $dbname from $source" -ForegroundColor Green
return $true
}
catch { return $false }
}
Function Mount-SQLDatabase {
<#
SYNOPSIS
Attaches a SQL Server database, and sets its owner. $server is an SMO server object.
.EXAMPLE
Mount-SQLDatabase $destserver $dbname $destfilestructure $dbowner
.OUTPUTS
$true if success
$false if failure
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$server,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbname,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$filestructure,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbowner
)
if ($server.Logins.Item($dbowner) -eq $null) { $dbowner = 'sa' }
try {
$null = $server.AttachDatabase($dbname, $filestructure, $dbowner, [Microsoft.SqlServer.Management.Smo.AttachOptions]::None)
return $true
} catch { return $false }
}
Function Start-SQLBackupRestore {
<#
.SYNOPSIS
Performs checks, then executes Backup-SQLDatabase to a fileshare and then a subsequential Restore-SQLDatabase.
.EXAMPLE
Start-SQLBackupRestore $sourceserver $destserver $dbname $networkshare $force
.OUTPUTS
$true if successful
error string if failure
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$sourceserver,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$destserver,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbname,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[ValidateScript({ Test-Path $_ })]
[string]$networkshare,
[Parameter()]
[bool]$force
)
$filestructure = Get-SQLFileStructures $sourceserver $destserver $ReuseFolderstructure
$filename = "$dbname-$timenow.bak"
$backupfile = Join-Path $networkshare $filename
$backupresult = Backup-SQLDatabase $sourceserver $dbname $backupfile
if ($backupresult) {
$restoreresult = Restore-SQLDatabase $destserver $dbname $backupfile $filestructure
if ($restoreresult) {
# RESTORE was successful
Write-Host "Successfully restored $dbname to $destination" -ForegroundColor Green
return $true
} else {
# RESTORE was unsuccessful
if ($ReuseFolderStructure) {
Write-Host "Failed to restore $dbname to $destination. You specified -ReuseFolderStructure. Does the exact same destination directory structure exist?" -ForegroundColor Red
return "Failed to restore $dbname to $destination using ReuseFolderStructure."
}
else {
Write-Host "Failed to restore $dbname to $destination" -ForegroundColor Red
return "Failed to restore $dbname to $destination."
}
}
} else {
# add to failed because BACKUP was unsuccessful
Write-Host "Backup Failed. Does SQL Server account ($($sourceserver.ServiceAccount)) have access to $($NetworkShare)?" -ForegroundColor Red
return "Backup Failed. Does SQL Server account ($($sourceserver.ServiceAccount)) have access to $NetworkShare` and does the fileshare have space?"
}
}
Function Start-SQLDetachAttach {
<#
.SYNOPSIS
Performs checks, then executes Dismount-SQLDatabase on a database, copies its files to the new server,
then performs Mount-SQLDatabase. $sourceserver and $destserver are SMO server objects.
$filestructure is a custom object generated by Get-SQLFileStructures
.EXAMPLE
result = Start-SQLDetachAttach $sourceserver $destserver $filestructure $dbname $force
.OUTPUTS
$true if successful
error string if failure
#>
[CmdletBinding()]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$sourceserver,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$destserver,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$filestructure,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[string]$dbname,
[Parameter()]
[bool]$force
)
$destfilestructure = New-Object System.Collections.Specialized.StringCollection
$sourcefilestructure = New-Object System.Collections.Specialized.StringCollection
$dbowner = $sourceserver.databases[$dbname].owner; if ($dbowner -eq $null) { $dbowner = 'sa' }
foreach ($file in $filestructure.databases[$dbname].destination.values) {$null = $destfilestructure.add($file.physical) }
foreach ($file in $filestructure.databases[$dbname].source.values) {$null = $sourcefilestructure.add($file.physical) }
$detachresult = Dismount-SQLDatabase $sourceserver $dbname
if ($detachresult) {
$transfer = Start-SQLFileTransfer $filestructure $dbname
if ($transfer -eq $false) { Write-Warning "Could not copy files."; return "Could not copy files." }
$attachresult = Mount-SQLDatabase $destserver $dbname $destfilestructure $dbowner
if ($attachresult -eq $true) {
# add to added dbs because ATTACH was successful
Write-Host "Successfully attached $dbname to $destination" -ForegroundColor Green
return $true
} else {
# add to failed because ATTACH was unsuccessful
Write-Warning "Could not attach $dbname."
return "Could not attach database."
}
}
else {
# add to failed because DETACH was unsuccessful
Write-Warning "Could not detach $dbname."
return "Could not detach database."
}
}
Function Copy-SqlDatabases {
<#
.SYNOPSIS
Performs tons of checks then migrates the databases.
.EXAMPLE
Copy-SqlDatabases $sourceserver $destserver $AllUserDBs $IncludeDBs $ExcludeDBs $IncludeSupportDBs $force
.OUTPUTS
CSV files and informational messages.
#>
[cmdletbinding(SupportsShouldProcess = $true)]
param(
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$sourceserver,
[Parameter(Mandatory = $true)]
[ValidateNotNullOrEmpty()]
[object]$destserver,
[Parameter()]
[bool]$AllUserDBs,
[Parameter()]
[string[]]$IncludeDBs,
[Parameter()]
[string[]]$ExcludeDBs,
[Parameter()]
[string]
$IncludeSupportDBs,
[Parameter()]
[bool]$force
)
<# ###############################################################
Server Checks
############################################################### #>
$alldbelapsed = [System.Diagnostics.Stopwatch]::StartNew()
if ($sourceserver.Databases.count -le 4) { throw "No user databases to migrate. Quitting." }
if ([version]$sourceserver.ResourceVersionString -gt [version]$destserver.ResourceVersionString) {
throw "Source SQL Server version build must be <= destination SQL Server for database migration."
}
if ($fswarning) { Write-Warning "FILESTREAM enabled on $source but not $destination. Databases that use FILESTREAM will be skipped." }
Write-Host "Checking access to remote directories..." -ForegroundColor Yellow
Write-Host "Resolving NetBIOS name for $source..." -ForegroundColor Yellow
$sourcenetbios = Get-NetBIOSName $sourceserver
Write-Host "Resolving NetBIOS name for $destination..." -ForegroundColor Yellow
$destnetbios = Get-NetBIOSName $destserver
$remotesourcepath = Join-AdminUNC $sourcenetbios (Get-SQLDefaultPaths $sourceserver data)
If ((Test-Path $remotesourcepath) -ne $true) {
Write-Host "Can't access remote SQL directories on $source." -ForegroundColor Red
Write-Host "You can manually try accessing $remotesourcepath to diagnose any issues." -ForegroundColor Red
Write-Host "Halting database migration." -ForegroundColor Red
return
}
$remotedestpath = Join-AdminUNC $destnetbios (Get-SQLDefaultPaths $destserver data)
If ((Test-Path $remotedestpath) -ne $true) {
Write-Host "Can't access remote SQL directories on $destination." -ForegroundColor Red
Write-Host "You can manually try accessing $remotedestpath to diagnose any issues." -ForegroundColor Red
Write-Host "Halting database migration." -ForegroundColor Red
return
}
##################################################################
$SupportDBs = "ReportServer","ReportServerTempDB", "SSISDB", "distribution"
$sa = $changedbowner
$timenow = (Get-Date -uformat "%m%d%Y%H%M%S")
$csvfilename = "$($sourceserver.name.replace('\','$'))-to-$($destserver.name.replace('\','$'))-$timenow"
$migrateddb = @{}; $skippedb = @{}
$ExcludeDBs | Where-Object {!([string]::IsNullOrEmpty($_))} | ForEach-Object { $skippedb.Add($_,"Explicitly Skipped") }
$filestructure = Get-SQLFileStructures $sourceserver $destserver $ReuseFolderstructure
Set-Content -Path "$csvfilename-db.csv" "Database Name, Result, Start, Finish"
foreach ($database in $sourceserver.databases) {
$dbelapsed = [System.Diagnostics.Stopwatch]::StartNew()
$dbname = $database.name
$dbowner = $database.Owner
<# ###############################################################
Database Checks
############################################################### #>
if ($database.id -le 4) { continue }
if ($IncludeDBs -and $IncludeDBs -notcontains $dbname) { continue }
if ($IncludeSupportDBs -eq $false -and $SupportDBs -contains $dbname) { continue }
if ($IncludeSupportDBs -eq $true -and $SupportDBs -notcontains $dbname) {
if ($AllUserDBs -eq $false -and $IncludeDBs.length -eq 0) { continue }
}
Write-Host "`n######### Database: $dbname #########" -ForegroundColor White
$dbstart = Get-Date
if ($skippedb.ContainsKey($dbname) -and $IncludeDBs -eq $null) {
Write-Host "`nSkipping $dbname" -ForegroundColor Cyan
continue
}
if ($database.IsAccessible -eq $false) {
Write-Warning "Skipping $dbname. Database is inaccessible."
$skippedb.Add($dbname,"Skipped. Database is inaccessible.")
continue
}
if ($fswarning -and ($database.FileGroups | Where { $_.isFilestream }) -ne $null) {
Write-Warning "Skipping $dbname (contains FILESTREAM)"
$skippedb.Add($dbname,"Skipped. Database contains FILESTREAM and FILESTREAM is disabled on $destination.")
continue
}
if ($ReuseFolderstructure) {
$remotepath = Split-Path ($database.FileGroups[0].Files.FileName)
$remotepath = Join-AdminUNC $destnetbios $remotepath
if (!(Test-Path $remotepath)) { throw "Cannot resolve $remotepath. `n`nYou have specified ReuseFolderstructure and exact folder structure does not exist. Halting script." }
}
if ($database.AvailabilityGroupName.Length -gt 0 -and !$force -and $DetachAttach) {
$agname = $database.AvailabilityGroupName
Write-Warning "Database is part of an Availability Group ($agname). Use -Force to drop from $agname and migrate. Alternatively, you can use the safer backup/restore method."
$skippedb[$dbname] = "Database is part of an Availability Group ($agname) and -force was not specified. Skipped."
continue
}
if ($database.IsMirroringEnabled -and !$force -and $DetachAttach) {
Write-Warning "Database is being mirrored. Use -Force to break mirror and migrate. Alternatively, you can use the safer backup/restore method."
$skippedb[$dbname] = "Database is being mirrored and -force was not specified. Skipped."
continue
}
if ($destserver.Databases[$dbname] -ne $null -and !$force) {
Write-Warning "Database exists at destination. Use -Force to drop and migrate."
$skippedb[$dbname] = "Database exists at destination. Use -Force to drop and migrate."
continue
}
elseif ($destserver.Databases[$dbname] -ne $null -and $force) {
If ($Pscmdlet.ShouldProcess($destination,"DROP DATABASE $dbname")) {
Write-Host "$dbname already exists. -Force was specified. Dropping $dbname on $destination." -ForegroundColor Yellow
$dropresult = Drop-SQLDatabase $destserver $dbname
if (!$dropresult) { $skippedb[$dbname] = "Database exists and could not be dropped."; continue }
}
}
If ($Pscmdlet.ShouldProcess("local host","Showing start time")) {
Write-Host "Started: $dbstart" -ForegroundColor Cyan
}
if ($sourceserver.versionMajor -ge 9) {
$sourcedbownerchaining = $sourceserver.databases[$dbname].DatabaseOwnershipChaining
$sourcedbtrustworthy = $sourceserver.databases[$dbname].Trustworthy
$sourcedbbrokerenabled = $sourceserver.databases[$dbname].BrokerEnabled
}
$sourcedbreadonly = $sourceserver.Databases[$dbname].ReadOnly
if ($SetSourceReadOnly) {
If ($Pscmdlet.ShouldProcess($source,"Set $dbname to read-only")) {
$result = Update-SQLdbReadOnly $sourceserver $dbname $true
}
}
if ($BackupRestore) {
If ($Pscmdlet.ShouldProcess($destination,"Backup $dbname from $source and restoring.")) {
$result = (Start-SQLBackupRestore $sourceserver $destserver $dbname $networkshare $force)
$dbfinish = Get-Date
if ($result -eq $true) {
$migrateddb.Add($dbname,"Successfully migrated,$dbstart,$dbfinish")
Add-Content -Path "$csvfilename-db.csv" "$dbname,Successfully migrated,$dbstart,$dbfinish"
$result = Update-SQLdbowner $sourceserver $destserver -dbname $dbname
If ($result) {
Add-Content -Path "$csvfilename-dbowner.csv" "$dbname,$dbowner"
}
} else {
$skippedb[$dbname] = $result
Add-Content -Path "$csvfilename-db.csv" "$dbname,Migration failed - $result,$dbstart,$dbfinish"
}
}
} # End of backup
elseif ($DetachAttach) {
$sourcefilestructure = New-Object System.Collections.Specialized.StringCollection
foreach ($file in $filestructure.databases[$dbname].source.values) {$null = $sourcefilestructure.add($file.physical) }
$dbowner = $sourceserver.databases[$dbname].owner; if ($dbowner -eq $null) { $dbowner = "sa" }
If ($Pscmdlet.ShouldProcess($destination,"Detach $dbname from $source and attach, then update dbowner")) {
$result = Start-SQLDetachAttach $sourceserver $destserver $filestructure $dbname $force
$dbfinish = Get-Date
if ($result -eq $true) {
$migrateddb.Add($dbname,"Successfully migrated,$dbstart,$dbfinish")
Add-Content -Path "$csvfilename-db.csv" "$dbname,Successfully migrated,$dbstart,$dbfinish"
$result = Update-SQLdbowner $sourceserver $destserver -dbname $dbname
If ($result) {
Add-Content -Path "$csvfilename-dbowner.csv" "$dbname,$dbowner"
}
} else {
$skippedb[$dbname] = $result
Add-Content -Path "$csvfilename-db.csv" "$dbname,Migration failed - $result,$dbstart,$dbfinish"
}
if ($ReattachAtSource) {
$null = ($sourceserver.databases).Refresh()
$result = Mount-SQLDatabase $sourceserver $dbname $sourcefilestructure $dbowner
if ($result -eq $true) {
$sourceserver.databases[$dbname].DatabaseOwnershipChaining = $sourcedbownerchaining
$sourceserver.databases[$dbname].Trustworthy = $sourcedbtrustworthy
$sourceserver.databases[$dbname].BrokerEnabled = $sourcedbbrokerenabled
$sourceserver.databases[$dbname].alter()
if ($SetSourceReadOnly) {
$null = Update-SQLdbReadOnly $sourceserver $dbname $true
} else { $null = Update-SQLdbReadOnly $sourceserver $dbname $sourcedbreadonly }
Write-Host "Successfully reattached $dbname to $source" -ForegroundColor Green
}
else { Write-Warning "Could not reattach $dbname to $source." }
}
}
} #end of if detach/backup
# restore poentially lost settings
if ($destserver.versionMajor -ge 9) {
if ($sourcedbownerchaining -ne $destserver.databases[$dbname].DatabaseOwnershipChaining ) {
If ($Pscmdlet.ShouldProcess($destination,"Updating DatabaseOwnershipChaining on $dbname")) {
try {