http://blogs.technet.com/dst2007/archive/2007/03/08/valid-users-in-errors-txt-file.aspxQ:I see many other valid users also showing up in the errors.txt file. Do I have to do something to correct them or how can I enable timezone in their mailboxes? A: Users may wind up in both errors and the output file due to a bug. If the user in theen-USCommunityServer 2.1 SP1 (Build: 61025.2)