Merge pull request dataplat#1 from dhrubomoy/detects_sql_version_befo…

…re_smo_migration

Update Copy-SqlCentralManagementServer.ps1

Functions/Copy-SqlCentralManagementServer.ps1

@@ -173,6 +173,11 @@ PROCESS {
 	if (!(Test-SqlSa -SqlServer $sourceserver -SqlCredential $SourceSqlCredential)) { throw "Not a sysadmin on $($sourceserver.name). Quitting." }  
 	if (!(Test-SqlSa -SqlServer $destserver -SqlCredential $DestinationSqlCredential)) { throw "Not a sysadmin on  $($destserver.name). Quitting." }  
 
+	if ($sourceserver.versionMajor -lt 10 -or $destserver.versionMajor -lt 10) {
+		throw "Central Management Server is only supported in SQL Server 2008 and above. Quitting." 
+
+	}
+
 	Write-Output "Connecting to Central Management Servers"
 	try { 
 		$fromcmstore = New-Object Microsoft.SqlServer.Management.RegisteredServers.RegisteredServersStore($sourceserver.ConnectionContext.SqlConnectionObject)
@@ -193,4 +198,4 @@ END {
 	$destserver.ConnectionContext.Disconnect()
 	If ($Pscmdlet.ShouldProcess("console","Showing finished message")) { Write-Output "Central Management Server migration finished" }
 }
-}
+}