User Login Results in HTTP status 500 - The incoming request has too many parameters

Document ID : KB000123004
Last Modified Date : 13/12/2018
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Issue:
When attempting to login to the ROC some users may experience the following error: 
HTTP Status 500 - The incoming request has too many parameters. The server supports a maximum of 2100 parameters. Reduce the number of parameters and resend the request.; SQL [n/a]; nested exception is org.hibernate.exceptions.SQLGrammarException: The incoming request has too many parameters. The server supports a meximum of 2100 parameters. Reduce the number of parameters and resend the request.
Environment:
CA Release Automation 6.6 and 6.5
Users are logging in using their Active Directory IDs. 
 
Cause:
This is a defect.
Resolution:
Check the latest cumulative for the version of Release Automation that you're using. When the cumulative does include a fix for this it will be documented accordingly for defect id: DE388914