We are Using the TMG 2010 as a web proxy in our organization.Few days ago client reported that they are unable to get-in their hotmail account after using their Login Credentials. A white blank page appears with message "Done" in the status bar.It
was working fine 2 weeks ago and this appears suddenly.
When the HOTMAIL log was traced for the Client IP at TMG 2010. The following logs appears.Hotmail account is also not accessible at Server Side.
"Closed Connection UOHTMGPROXY 2/3/2011 9:16:37 PM
Log type: Firewall service
Status: A connection was gracefully closed in an orderly shutdown process with a three-way FIN-initiated handshake.
Rule: [System] Allow DNS from Forefront TMG to selected servers
Source: Local Host (192.168.43.68:26986)
Destination: Internal (192.168.43.16:53)
Protocol: DNS
Additional information
Number of bytes sent: 73 Number of bytes received: 156
Processing time: 59998ms Original Client IP: 192.168.43.68"
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Thanks
MCS