How to Set the Restore-Only Mode for a State Migration Point

아티클
05/03/2011

Applies To: System Center Configuration Manager 2007, System Center Configuration Manager 2007 R2, System Center Configuration Manager 2007 R3, System Center Configuration Manager 2007 SP1, System Center Configuration Manager 2007 SP2

In Microsoft System Center Configuration Manager 2007, you configure the operating system deployment state migration point to reject new requests to store user data by setting the SMPQuiesceState embedded property.

SMPQuiesceState has two possible values.

Value	Definition
0	Restore-only mode is turned off.
1	Restore-only mode is turned on.

To set the restore only mode for a state migration point

Set up a connection to the SMS Provider. For more information, see About the SMS Provider in Configuration Manager.
Make a connection to the state migration point resources section of the site control file.
Get the embedded properties.
Update SMPQuiesceState
Commit the changes to the site control file.

Example

The following example method sets the restore-only mode based on supplied value.

For information about calling the sample code, see Calling Configuration Manager Code Snippets.

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;
    }
}

The example method has the following parameters:

Parameter	Type	Description
connection	Managed: WqlConnectionManager VBScript: SWbemServices	A valid connection to the SMS Provider.
context (VBScript)	VBScript: SWbemContext	A valid context object. For more information, see How to Add a Configuration Manager Context Qualifier by Using WMI.
server	Managed: String VBScript: String	The Configuration Manager server that the state migration point is running on.
siteCode	Managed: String VBScript: String	The Configuration Manager site code.
enableRestoreOnlyMode	Managed: Boolean VBScript: Boolean	Sets the restore only mode. true turns restore only mode on; otherwise, false.

Compiling the Code

The C# example has the following compilation requirements:

Namespaces

System

System.Collections.Generic

System.Text

Microsoft.ConfigurationManagement.ManagementProvider

Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine

Assembly

microsoft.configurationmanagement.managementprovider

adminui.wqlqueryengine

Robust Programming

For more information about error handling, see About Configuration Manager Errors.

Security

For more information about securing Configuration Manager applications, see About Securing Configuration Manager Applications.

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