| Event Id | 4100 |
| Source | EventSystem |
| Description | The COM+ Event System failed to create an instance of the subscriber {C2F23AE4-82D8-456F-A4AF-A2655D8CA726}. CoCreateInstanceEx returned HRESULT 8000401A. |
| Event Information | On client computers that are running Microsoft Systems Management Server (SMS) 2003 Advanced Client, the following event may be logged the application event log. CAUSE: This problem occurs if the Patch UI Monitor component tries to call the client user interface (UI) when no user is logged on. RESOLUTION 1: A supported hotfix is now available from Microsoft. "RESOLUTION 2: To resolve this behavior, use the Regsvr32 tool to unregister the Mobsync.dll file from the server: 1. Click Start, click Programs, click Accessories, and then click Command Prompt. 2. Type the following line, and then press ENTER: regsvr32 ""%systemroot%\system32\mobsync.dll"" /u 3. Quit Command Prompt. After you unregister Mobsync.dll, Client Side Caching (CSC) no longer works. The behavior described in the ""Symptoms"" section of this article does not affect CSC functionality, but unregistering Mobsync.dll does. " |
| Reference Links | Event ID 4100 or Event ID 4356 is logged in the application event log of Advanced Clients in Systems Management Server 2003 Event ID 4100 appears repeatedly in Event Viewer |
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