I saw something like that the other week (might be related). It was to do with the new version of remote desktop and how it prompts for authentication before connecting to the server. Theres a setting in the default.rdp file that you need to add... This worked for me. enablecredsspsupport:i:0 From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Hamilton, Ronnie Sent: 14 January 2010 13:08 To: thin@xxxxxxxxxxxxx Subject: [THIN] RSA on AAC Hi, I am looking at the documentation to install RSA on my AAC 4.5 and it says to install the Local Authentication Client but everythime I install this I cant log onto the server. This has been down for a couple of days and I have it all working apart form the RSA auth Ronnie Visit our website : www.ltai.ie __________________________________________ Lufthansa Technik Airmotive Ireland Limited. Registered in Ireland. Reg. No. 45999. Registered Office: Naas Road, Rathcoole, Co.Dublin. Lufthansa Technik Airmotive Ireland Leasing Limited. Registered in Ireland. Reg. No. 140891. Registered Office: Naas Road, Rathcoole, Co.Dublin. __________________________________________ The information in this email and in any attachments is confidential and may be privileged. If you are not the intended recipient, please destroy this message, delete any copies held on your systems and notify the sender by return email. You should not read, retain, copy, disseminate, distribute, disclose or use this email or its contents in any way. Any such action is strictly prohibited. Thank you.