http://blogs.technet.com/b/instan/archive/2012/08/20/how-to-bulk-create-10000-users-and-groups-for-your-test-environment.aspxFor test lab scenarios where you quickly want to add a few thousand users you can run the following batch files in a DC: :Creates 10000 disabled user accounts with password Password1 For /l %%t IN (1,1,10000) do net user BulkUser%%t Password1 /adden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/instan/archive/2012/08/20/how-to-bulk-create-10000-users-and-groups-for-your-test-environment.aspx#3561017Tue, 26 Mar 2013 08:45:50 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3561017Bart Eeltink<p>Instead of %%t, use %t</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3561017" width="1" height="1">http://blogs.technet.com/b/instan/archive/2012/08/20/how-to-bulk-create-10000-users-and-groups-for-your-test-environment.aspx#3519701Wed, 12 Sep 2012 16:09:18 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3519701Ingolfur Arnar Stangeland<p>It sounds like you only copied the first line of the command - the second part is required also (&quot;Password1 /add /PASSWORDREQ:YES /ACTIVE:NO&quot;)</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3519701" width="1" height="1">http://blogs.technet.com/b/instan/archive/2012/08/20/how-to-bulk-create-10000-users-and-groups-for-your-test-environment.aspx#3519682Wed, 12 Sep 2012 15:09:37 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3519682Error?<p>I received the following error when running the first command: &nbsp;</p> <p>&quot;%%t was unexpected at this time.&quot;</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3519682" width="1" height="1">