The catalog was last synchronized successfully %1 or more days ago.

Details
Product: .NET Framework
Event ID: 10021
Source: Windows Server Update Services
Version: 2.0.50727
Symbolic Name: HealthCoreCatalogSyncYellow
Message: The catalog was last synchronized successfully %1 or more days ago.
   
Explanation
WSUS catalog synchronization depends on connectivity to the upstream server or Microsoft Update.
   
User Action
Old Catalog Synchronization

The last catalog synchronization happened some time ago or was never performed.

  1. This is a reminder to synchronize the server on a regular
    basis if the synchronization schedule is set to manual.
  2. Start WSUS 3.0: Click Start, click Administrative Tools, then click Microsoft Windows Server Update Services v3.0.
  3. Click Synchronization Results.
  4. In the Action pane, click Synchronize Now.

Verify

Look for the corresponding error event.

  1. Open a command window.
  2. Type cd <WSUSInstallDir>\Tools
  3. Type wsusutil checkhealth
  4. Type eventvwr
  5. Review the Application log for the most recent events from
    source Windows Server Update Services and event id 10020.

Related:

The launch and activation security descriptor for the COM Server application with CLSID {} is invalid. It contains Access Control Entries with permissions that are invalid. The requested action was therefore not performed. This security permission can be corrected using the Component Services administrative tool.

Details
Product: Windows Operating System
Event ID: 10021
Source: DCOM
Version: 5.2
Symbolic Name: EVENT_COM_INVALID_SERVER_ACTIVATION_SECURITY_DESCRIPTOR
Message: The launch and activation security descriptor for the COM Server application with CLSID {} is invalid. It contains Access Control Entries with permissions that are invalid. The requested action was therefore not performed. This security permission can be corrected using the Component Services administrative tool.
   
Explanation

A program, the Clsid displayed in the message, tried to start the DCOM server by using the DCOM infrastructure. However the permission associated with the DCOM Server was not correctly set up.

   
User Action

Verify that the user has the appropriate permissions to start the DCOM server.

To assign permissions

  1. Using Regedit, navigate to the following registry value
    HKCR\Clsid\clsid value\localserver32
    The clsid value is the information displayed in the message.
  2. In the right pane, double-click Default.
    The Edit String dialog box is displayed. Leave this dialog box open.
  3. Click Start, and then click Control Panel.
  4. Double-click Administrative Tools, and then double-click Component Services.
  5. In the Component Services snap-in, expand Computers, expand My Computer, and double-click DCOM Config.
  6. In the right pane, locate the program by using its friendly name.
  7. Right-click the program name, and then select Properties.
  8. On the Security tab, in the Launch and Activation Permissions group box, select Customize, and then click Edit.

Add the user to the permissions list, and give the user the appropriate permissions.

Related: