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ITsVISTA KB-Link: KB2028484

You experience poor performance when you use Kerberos authentication to connect to lots of remote computers at the same time from a computer that is running Windows Server 2008 or Windows Vista

Consider the following scenario:

  • You have a computer that is running Windows Server 2008 or Windows Vista.
  • You use Kerberos authentication to connect to lots of remote computers at the same time.

In this scenario, you experience the following issues on the computer:

  • Unexpectedly high CPU usage in the Lsass.exe process
  • Poor Kerberos authentication performance
There is a download that resolves this issue. See Hotfixes for details.
32-bit Download: Contact Microsoft
64-Bit Download: Contact Microsoft

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB2028484.

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