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Our Web SSO ADFS solution stopped authenticating users.  The CredentialsVerificationException caught a 1703.  It was not one of the "standard" ones like 87=missing user name.  The SA tracked back to AD errors and the following:

File Replication Service, by default, uses a randomly selected port to use for Remote Procedure Calls.  Either AD or FRS started using a blocked port which caused domain authentication to fail.  Solution:  permanently disable the firewall. 

Posted on Thursday, May 29, 2008 5:29 PM Identity | Back to top


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