Sub SetRestoreOnlyMode(connection, 	_
					 context, 	 _
					 siteCode, 		 _
					 enableRestoreOnlyMode)

 
	' Load site control file and get SMS State Migration Point section.
	connection.ExecMethod "SMS_SiteControlFile.Filetype=1,Sitecode=""" & siteCode & """", "Refresh", , , context
	
	Query = "SELECT * FROM SMS_SCI_SysResUse " & _
			"WHERE RoleName = 'SMS State Migration Point' " & _
			"AND SiteCode = '" & siteCode & "'"

	Set SCIComponentSet = connection.ExecQuery(Query, , , context)
					 
	' Only one instance is returned from the query.
	For Each SCIComponent In SCIComponentSet

		 ' Display state migration point server name.
		 wscript.echo "SMS State Migration Point Server: " & SCIComponent.NetworkOSPath								

		' Loop through the array of embedded property instances.
		For Each vProperty In SCIComponent.Props
		
			' Setting: SMPQuiesceState
			If vProperty.PropertyName = "SMPQuiesceState" Then
				wscript.echo " "
				wscript.echo vProperty.PropertyName
				wscript.echo "Current value " &  vProperty.Value			 
			
				' Modify the value.
				vProperty.Value = enableRestoreOnlyMode
				wscript.echo "New value " & enableRestoreOnlyMode
			End If
 
			 
		Next   

			 ' Update the component in your copy of the site control file. Get the path
			 ' to the updated object, which could be used later to retrieve the instance.
			 Set SCICompPath = SCIComponent.Put_( , context)
	Next
					
	' Commit the change to the actual site control file.
	Set InParams = connection.Get("SMS_SiteControlFile").Methods_("CommitSCF").InParameters.SpawnInstance_
	InParams.SiteCode = siteCode
	connection.ExecMethod "SMS_SiteControlFile", "CommitSCF", InParams, , context
End Sub

public void SetRestoreOnlyMode(
	WqlConnectionManager connection,
	string server, 
	string siteCode, 
	bool enableRestoreOnlyMode)
{
	try
	{
		// Get the site control file.
		IResultObject ro = connection.GetInstance("SMS_SCI_SysResUse.FileType=2,ItemName='[\"Display=\\\\" + server + "\\\"]MSWNET:[\"SMS_SITE=" + siteCode + "\"]\\\\" + server + "\\,SMS State Migration Point',ItemType='System Resource Usage',SiteCode='" + siteCode + "'");

		// Get the embedded properties.
		Dictionary<string, IResultObject> embeddedProperties = ro.EmbeddedProperties;

		// Set the restore only mode.
		embeddedProperties["SMPQuiesceState"]["Value"].BooleanValue = enableRestoreOnlyMode;

		ro.EmbeddedProperties = embeddedProperties;

		// Commmit the changes.
		ro.Put();
}
	catch (SmsException e)
	{
		Console.WriteLine("Failed to set restore only mode" + e.Message);
		throw;
}
}