The event log had two entries in quick succession: 4294 - Info - The IPSec driver has entered secure mode. IPSec policies are now being applied to this computer... 4292 - Error - The IPSec driver has entered Block mode. IPSec will discard all inbound and outbound TCP/IP network traffic... Steve Raffensberger Citrix Administrator Sovereign Bank 1125 Berkshire Boulevard Wyomissing, PA 19610 email: sraffens@xxxxxxxxxxxxxxxxx ________________________________ From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Robert K Coffman Jr. -Info From Data Corp. Sent: Friday, August 22, 2008 2:07 PM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: IPSEC Goofiness >Apparently, the local IPSEC policy can become corrupted. When this happens, the machine can't determine who is safe to talk to so it completely shuts off communications. Luckily, we found the following web page that showed how to fix a corrupted policy. Steve, I have no doubt you have saved some administrators some major grief down the road. Thanks for sharing! How did you figure out it was the IPSEC policy? Because of the service failing to start? - Bob Coffman This message contains information which may be confidential and privileged. Unless you are the addressee (or authorized to receive for the addressee), you may not use, copy or disclose to anyone the message or any information contained in the message. If you have received the message in error, please advise the sender by reply e-mail, and delete or destroy the message. Thank you.