I did and it sounds like what is going on except I'm not using a legacy access center and I did up those time outs and it didn't make any difference. Thanks for the article! Matthew Shrewsbury Network Manager ________________________________ From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of M Sent: Friday, January 19, 2007 1:11 PM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Access Gateway protocal driver error Have you seen this article ? http://support.citrix.com/kb/entry.jspa?entryID=11078 ----- Original Message ----- From: Matthew Shrewsbury <mailto:MShrewsbury@xxxxxxxxxxxxxxx> To: thin@xxxxxxxxxxxxx Sent: Friday, January 19, 2007 1:46 PM Subject: [THIN] Access Gateway protocal driver error I'm going nuts trying to figure out why I intermittently receive a Protocol Driver Error when attempting to launch a Citrix application through Access Gateway with Advanced Access Control. Normally if I wait a moment and try again it works just fine. Has anyone else had this issue? I've searched a number of forums and not had any success in finding a solution. Matthew Shrewsbury Network Manager