Event ID - 9122

Event Id9122
DescriptionOALGen successfully removed any OAL-related public folders which are no longer needed.
Event InformationAccording to Microsoft:
This behavior can occur if the relevant registry key contains an invalid DS Server value that is specified with the name of a particular domain controller/global catalog server. The relevant registry key is:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Exchange Provider\DS Server
You can use this registry entry on a client computer to load-balance or to specify which domain controller/global catalog server the Outlook client connects to. However, if this value is incorrect on an Exchange 2000 Server SP2 computer, generation of an offline address list generation does not succeed.
If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk. To resolve this behavior, delete the DS Server value from the Exchange Provider key. Make sure that you remove the entire value from the key, not just the value data. Follow these steps:
1. Start Registry Editor (Regedt32.exe).
2. Locate the DS Server value under the following key in the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Exchange Provider
3. Click DS Server, click Edit, and then click Delete. Click Yes to confirm the deletion.
4. Quit Registry Editor.
Reference LinksYou Cannot Generate an Offline Address List and an Event ID 9126 Error Message Is Logged

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