http://blogs.technet.com/b/networking/archive/2009/10/20/errors-may-be-seen-when-attempting-to-access-shares-after-installation-of-the-updated-described-in-kb-968389.aspxIf you are unable to access shares on Windows Server 2003 or Windows XP or are being prompted for credentials, or are having authentication issues, then it might be due to an incorrect installation of the hotfix described in KB 968389 . Please check toen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/networking/archive/2009/10/20/errors-may-be-seen-when-attempting-to-access-shares-after-installation-of-the-updated-described-in-kb-968389.aspx#3317953Tue, 09 Mar 2010 21:30:26 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3317953Josh<p>I didn't even have this hotfix installed on my win 2003 sp2 server but I had almost the exact symptoms listed. I installed the hotfix and bang it all worked again.. a day and a half of hair pulling!</p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3317953" width="1" height="1">http://blogs.technet.com/b/networking/archive/2009/10/20/errors-may-be-seen-when-attempting-to-access-shares-after-installation-of-the-updated-described-in-kb-968389.aspx#3295435Fri, 20 Nov 2009 19:52:13 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3295435Jamie Jensen<p>This worked for me. &nbsp;Took me a day with google to find the answer. &nbsp;but this was the fix</p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3295435" width="1" height="1">http://blogs.technet.com/b/networking/archive/2009/10/20/errors-may-be-seen-when-attempting-to-access-shares-after-installation-of-the-updated-described-in-kb-968389.aspx#3290564Sat, 31 Oct 2009 16:58:30 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3290564Pankaj Mehley<p>Brilliant. My print server running on Windows 2003 server had these symptoms. got rectified. Thanks.</p><div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3290564" width="1" height="1">