Hi, We have 2 tier application, VB6.0 client connecting to sql server 2008 db. I want to secure my data transmission between the client and sql server, currently queries are transmitted in clear text this is security vulnerability issue. I'm trying to the secure database connection, created certificate using the following command on makecert.util makecert -r -pe -n "CN=FQDN" -b 10/12/2012 -e 01/01/2036 -eku 1.3.6.1.5.5.7.3.1 -ss my -sr localMachine -sky exchange -sp "Microsoft RSA SChannel Cryptographic Provider" -sy 12 OutputPath then I added into MMC Add Snap-in->Certificate-> Local Computer then I run the following command in netsh netsh http> add sslcert ipport=ip:port certhash=f0a6412b75b9519cb59c683c5372fba6d9a40b33 appid={guid} SSL Certificate add failed, Error:1312 A specified logon session does not exist.It may already have been terminated. Windows Server 2008 R2 64 bit Steps followed: Applied KB981506 hot fix. Removed all entries in C:\ProgramData\Microsoft\Crypto\RSA folder But no luck. Pl help me with some solution.

Hi, Thanks for posting in Microsoft TechNet forums. Please check the suggestions in the threads below to see if they can be helpful in your situation. SSL Certificate add failed, Error: 1312 A specified logon session does not exist. It may already have been terminated http://social.technet.microsoft.com/Forums/da-DK/winserversecurity/thread/71bc4438-6f59-4ebc-a991-f6eb7c5769da SSL Certificate add failed, Error: 1312 http://social.technet.microsoft.com/Forums/en/winservergen/thread/68452008-a89b-40ba-9927-472efcfafc99 Have a nice day. Regards Kevin