This article was previously published under Q154599
The information in this article describes how to associate a username witha security identifier (SID).
Sometimes, you need to know what the security identifier (SID) is for aspecific user on the system. To see what the SID is for a specific user,perform the steps below.
WARNING: Using Registry Editor incorrectly can cause serious, system-wideproblems that may require you to reinstall Windows NT to correct them.Microsoft cannot guarantee that any problems resulting from the use ofRegistry Editor can be solved. Use this tool at your own risk.