Not sure. We applied it, but we also applied the Citrix patch. I was able to connect via ICA to the server without applying the Citrix patch that fixes that problem, but we applied the patch anyway to be safe. Working without any problems so far. Brian _____ From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Schneider, Chad M Sent: Tuesday, August 16, 2005 1:46 PM To: thin@xxxxxxxxxxxxx Subject: [THIN] Rollup for W2K SP4 Is the one out there right now....a fixed copy for it does not break Citrix/TS?