Microsoft KB Archive/129815

= LSA Secret Limitation Increased to 4096 in Windows NT 4.0 and Windows 2000 =

Article ID: 129815

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 3.1
 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Advanced Server 3.1

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This article was previously published under Q129815



SUMMARY
Windows NT 3.1, 3.5, and 3.51 have a limit of 256 local security authority (LSA) secrets. This limit has been increased to 4096 in Windows NT version 4.0 and in Microsoft Windows 2000.

The client side of a trust relationship consumes one LSA secret. LSA secrets are used for other purposes (most notably, trust relationships and for saving service passwords), so you should not use all of them for trusts. It is best not to consume more than half of the LSA secrets for domain trust.

Additional query words: 3.10 status_too_many_secrets ntlsa.h

Keywords: kbinfo kbother KB129815

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