Ground Control

This is from MIcrosofts website

This problem may occur if the Winlogon process tries to process group policies before other components are running. The service pack that this article describes adds logic to improve the default behavior of the Winlogon process and of the workstation services.

However, there are several other scenarios that may cause this problem. Make sure that the following components are started and that they are configured correctly before you apply this service pack:

• Netlogon and DFS services are started.
• Domain controllers have the read and apply rights to the Domain Controllers Policy.
• NTFS file system permissions and share permissions are set correctly on the Sysvol share.
• DNS entries are correct for the domain controllers.

Make sure that you have the latest service pack installed and then carry out the following:

Registry information

// Note Follow these steps in Windows Server 2003.

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

After you have applied this service pack, follow these steps:

1. Click Start, click Run, type regedit in the Open box, and then click OK.
2. In Registry Editor, locate the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
3. If the WaitForNetwork entry is missing, you must add the entry. To do this, follow these steps:
   1. Right-click the Winlogon subkey, click New, and then click Dword Value.
   2. In the Value name box, type WaitForNetwork.
4. Right-click WaitForNetwork, and then click Modify.
5. In the Edit DWORD Value dialog box, in the Value Data box, type 1, and then click OK.
6. Close Registry Editor.