This article was previously published under Q242536
When you attempt to log on to a domain from a Windows-based workstation or member server and a domain controller cannot be located, no error message is displayed. Instead, you are logged on to the local computer using cached credentials.
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:
322756 How to back up and restore the registry in Windows
To configure Windows to display a message when a user is logged on using cached credentials, follow these steps on each computer on which you want to display a message:
On the Edit menu, click Add Value, and then add the following value:
Value Name: ReportDC Data Type: REG_DWORD Data Value: 1
Quit Registry Editor.
To verify that you are logged on to the domain, check the System log. If you were logged on using cached credentials, you see the following event:
Event ID 5719
No Windows domain controller is available for domain domain_name the following error occurred: There are currently no logon servers available to service the logon request.
When you are using cached credentials, you may not see evidence of that immediately. Evidence is that you do not have access to items such as group policies, roaming profiles, home folders, or logon scripts.