Windows Server 2012 R2
Windows Server 2012
Windows Server 2008 R2
Windows Server 2008
For those of you that started in the Windows 2000 Server Active Directory, there was a tool called ADPerf (Active Directory Performance) to troubleshoot high CPU utilization in LSASS.exe.
Starting with Windows 2003 Server, there was a new tool called Server Performance Advisor to troubleshoot the high CPU utilization.
In Windows Server 2008 and Windows Server 2008 R2, the functionality was added to Perfmon as a “Data Collector Set” described in:
2550044 How to Troubleshoot High LSASS.EXE CPU Utilization on an Active Directory Domain Controllers http://support.microsoft.com/kb/2550044
SPA for AD is back, as of SPA v3.1 with the AD Advisor Pack has been released to the web:
In a future post, I’ll go over about the install and how to utilize the tool to troubleshoot your high CPU utilization in LSASS.exe.