The ranting of an IT Professional

Sep 16 2009   3:44PM GMT

The system detected a possible attempt to compromise security



Posted by: Jason Tramer
Tags:
cifs
DNS
errors
event log
netlogon
The system detected a possible attempt to compromise security

I got the above error when trying to access a network share on a workstation. The event log was filled with Cifs and netlogon errors.  In doing some investigation I found that this machine had a manually set DNS entry which pointed to a former DC that had been demoted. What was interesting is that DNS resolution still worked (cached entries) but because it wasn’t authorized in AD the machine was getting cifs errors.

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  • Mddy44314
    In my case, this error was caused by my MaxToken size. You can download the tokensz tool from Microsoft, or simply remove yourself from some groups. There is also a Registry fix to increase MaxToken size.
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