To work around the issue, use one of the following two methods:
Method 1Restart the MSExchangeSA service on the mailbox server.
Method 2Important 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
Assign the 6004 static port for the ncacn_http port on all the GC servers in the environment. To do this, follow these steps:
- Click Start, click Run, type regedit, and then press ENTER.
- Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\NTDS\Parameters - Click the Edit menu, click New, and then click Multi-String Value.
- Type NSPI interface protocol sequences and press Enter.
- Right-click NSPI interface protocol sequences, and then click Modify.
- In the Value data box, type ncacn_http:6004, and then click OK.
- Exit Registry Editor.