The source was not found, but some or all event logs could not be searched

126

I am getting the following exception. I have given full control to Asp.net account on Eventlogs in Registry edit.

[SecurityException: The source was not found, but some or all event logs could not be searched. Inaccessible logs: Security.]

System.Diagnostics.EventLog.FindSourceRegistration(String source,  String machineName, Boolean readOnly, Boolean wantToCreate) +664
System.Diagnostics.EventLog.SourceExists(String source, String machineName, Boolean wantToCreate) +109
System.Diagnostics.EventLog.SourceExists(String source) +14 Microsoft.ApplicationBlocks.ExceptionManagement.DefaultPublisher.VerifyValidSource() +41

I guess this is due to some configuration issue on server?

This question is tagged with c# .net windows-7 event-log securityexception

~ Asked on 2012-03-05 09:38:46

The Best Answer is


107

EventLog.SourceExists enumerates through the subkeys of HKLM\SYSTEM\CurrentControlSet\services\eventlog to see if it contains a subkey with the specified name. If the user account under which the code is running does not have read access to a subkey that it attempts to access (in your case, the Security subkey) before finding the target source, you will see an exception like the one you have described.

The usual approach for handling such issues is to register event log sources at installation time (under an administrator account), then assume that they exist at runtime, allowing any resulting exception to be treated as unexpected if a target event log source does not actually exist at runtime.

~ Answered on 2012-03-05 13:22:20


68

Had the same exception. In my case, I had to run Command Prompt with Administrator Rights.

From the Start Menu, right click on Command Prompt, select "Run as administrator".

~ Answered on 2013-08-09 17:19:21


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