When using federation services through a 3rd party IdP, the VIP SSP times out after a set amount of time. Initial login and navigation works, but eventually the error occurs.
"Processing Error: An error has occurred while processing your request. Try logging in again to resolve the issue."
note: this is a 500 error.
The session data sent to Symantec contains the SessionNotOnOrAfter parameter, which overwrites the default 5-minute time-out built into the Symantec SSP. This override causes the IdP session to time-out prematurely, and the error occurs.
Omit the SessionNotOnOrAfter parameter from the request sent from the third party IdP. Alternatively, this value can be set to a slightly higher value than 5 minutes. This will allow the session to time-out at the VIP SSP level without the errors.