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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 68%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEC%3C/text%3E%3C/svg%3E)
A windows server2019 VM running IIS as Web Server, it has been working for months,
Recently, below Application Error log generated frequently on Windows Event Log Viewer.
"Unable to log .NET application events. The source was not found, but some or all event logs could not be searched. To create the source. you need permission to read all event logs to make sure that the new source name is unique. Inaccessible log: Security, State"
Windows Log: Application
Event ID: 0
Source: Applicaiton
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Could be this one.
https://stackoverflow.com/questions/9564420/the-source-was-not-found-but-some-or-all-event-logs-could-not-be-searched
--please don't forget to upvote and Accept as answer if the reply is helpful--
Just checking if there's any progress or updates?
--please don't forget to upvote and Accept as answer if the reply is helpful--