XADM: Directory Replication Fails, Event 1124 Error Displayed

ID: Q185616

The information in this article applies to:

Microsoft Exchange Server, version 5.0

IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.

SYMPTOMS

You may experience either of the following symptoms:

When you attempt to perform directory replication between two Microsoft Exchange Server computers, directory replication may fail.

If you attempt to check the knowledge consistency of an Exchange Server computer by clicking Check Now in the properties for the directory service, the following message is displayed:

An internal error has occurred during directory replication. Stop
and then restart the directory service. Then try directory
replication again. ID no: c1030b0d

In addition, the following event may appear in the event log:
```
      Event: 1124
      Source: MSExchangeDS
      Severity: Error
      Category: Knowledge Consistency Checker
      Description: The consistency checker encountered an internal error
      and can't continue checking the consistency of this directory. Stop
      and restart this Microsoft Exchange computer.
     
```

CAUSE

This problem can occur if the Site value under the following registry key contains an incorrect site name:


   HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeSA
   \Parameters

NOTE: The above registry key is one path; it has been wrapped for readability.

WORKAROUND

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys And Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it.

To work around this problem, follow these steps:

Start Registry Editor (Regedt32.exe).

Locate the Site value under the following key in the registry:
```
      HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeSA
      \Parameters
   
```
NOTE: The above registry key is one path; it has been wrapped for readability.

Click String on the Edit menu, type the correct site name in the String box, and then click OK.

Quit Registry Editor.

Stop and restart the Microsoft Exchange System Attendant service. To do so, follow these steps:
1. In Control Panel, double-click Services.
2. Click the Microsoft Exchange System Attendant service, and then click Stop. If a dialog box appears stating that additional services will be stopped, note the services that will be stopped, and then click OK. All other Exchange Server services are stopped when you stop the system attendant.
3. Click the Microsoft Exchange System Attendant service, and then click Start.
4. Start any additional services that were stopped in step B.

MORE INFORMATION

For information about the steps that are performed when you check the knowledge consistency of an Exchange Server computer, please see the following article in the Microsoft Knowledge Base:

Q174758 XADM: Steps Performed During Knowledge Consistency Check

Keywords :
Version : WINDOWS:5.0
Platform : WINDOWS
Issue type : kbprb