Tool: Server Performance Advisor (SPA) v3.1 to troubleshoot high CPU in LSASS in AD Domain Controllers.

  • Article

Applies to:

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
https://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: 

AMD64:  https://download.microsoft.com/download/0/3/D/03D07D11-18D4-4160-B4AC-915061B85669/SPAPlus_amd64.cab

X86:         https://download.microsoft.com/download/0/3/D/03D07D11-18D4-4160-B4AC-915061B85669/SPAPlus_x86.cab

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.