we have three windows 2008r2 domaincontroller on vmware, on two of them the lsass.exe process is permantently on 100%. Especially the kerbereos-key services is response for that. the given solutions (http://support.microsoft.com/kb/2550044 http://blogs.technet.com/b/askds/archive/2007/08/20/troubleshooting-high-lsass-cpu-utilization-on-a-domain-controller-part-1-of-2.aspx) on the web are already done but no conclusion yet. the problem is still standing, when the dc is disconnect to the web.

Hi, It would be helpful to know which thread is consuming CPU time. Sysinternals Process Explorer should show the stack trace if debug symbols are configured (Options / Configure Symbols).Csaba

Hi, It would be helpful to know which thread is consuming CPU time. Sysinternals Process Explorer should show the stack trace if debug symbols are configured (Options / Configure Symbols).Csaba