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All rights reserved. Covered by US Patent. Come for the solution, stay for everything else. Welcome to our community! I am catching errors in my web app and writing custom error messages to the application log. When an error occurs and tries to write to the log I get the error: Security Exception Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
Exception Details: System. SecurityEx ception: The source was not found, but some or all event logs could not be searched. Improve this question. Michael Lowman 3, 19 19 silver badges 36 36 bronze badges. I know you said you double checked the permissions, but I wanted to verify that you'd checked the file- level permissions as well as the share permissions?
I've double checked those also. Seem fine. Similar question: serverfault. I followed everything from Microsoft website but was not able to get rid of this issue. Add a comment. Active Oldest Votes.
Improve this answer. Hi, User isolation is in place. I'm taking over the management of the server despite a complete lack of server experience! In the end I gave up and started from scratch. I appeared to do the exact same thing I was doing before but for some reason this time it worked! Thanks for your help. Glad to help For e. It is the user isolation setting. You will need change it to "do not isolate users, start users in "user name directory" ".
This fixes the problem but will expose other directories to the users. Christopher Christopher 2 2 bronze badges. Mark Anderson Mark Anderson 11 1 1 bronze badge.
After entering a port range and external IP address in FTP Firewall Support feature, the error message disappeared: In this blog post, it mentions a few more root causes: User cannot log in, home directory inaccessible Authorization rules. Community Bot 1. Ned Ned 2 2 bronze badges.
Philip Stratford Philip Stratford 1 1 silver badge 5 5 bronze badges. Following is the steps to check. Typically our users are admins on the box, so they have the rights. Then the actual app can write as many log entries as it needs and never has to acquire additional privilege.
Agree with Doug; "creating the event source is the step that requires privilege, and not writing the actual log. I use Windows Eventcreate. Plenty of online information available on this command. I run this command in my application's installer script. Only needs to be run once. Ask a question. Quick access. Search related threads.
Remove From My Forums. Answered by:. Archived Forums. General Windows Desktop Development Issues. Sign in to vote. Thursday, July 6, PM. You are attempting to create an event source that doesn't exist, and the account that you are using to create the source implicitly through your attempt to write an entry doesn't have access to all registry keys required for the source to be created.
Thanks for your help. Personally, I find it quite silly that to create an event source for one Event log, a scan is done to check whether that source exists under all logs first. Still, that's how it works. Glad to help. The problem I had and caused this error was the fact the service was set to log on with Local Service in stead of Local System. Changing the log on property of the project installer to Local System was the only thing I needed to change to get rid of this error.
You should check this also before changing the registry permissions. Thursday, February 7, AM. Tuesday, March 25, AM.
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