000022771 - Error: 'Unexpected SDI value. #23' appears in Cisco VPN 3000 Concentrator logs

Document created by RSA Customer Support Employee on Jun 16, 2016Last modified by RSA Customer Support Employee on Apr 21, 2017
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Article Number000022771
Applies ToRSA Authentication Manager 6.1
Microsoft Windows Server 2003 SP1
Cisco VPN 3000 Concentrator
IssueError: "Unexpected SDI value. #23" appears in Cisco VPN 3000 Concentrator logs
VPN Client unable to authenticate, getting Network Error in Cisco logs

Cause 1: Authentication Engine is not started by default

Cause 2: A firewall between the Cisco VPN Concentrator and RSA Authentication Manager is blocking traffic

Cause 3: Node Secret cleared on agent but not on server  (or other Node Secret mismatch)


Fix for Cause 1: Run RSA Authentication Manager Control Panel and ensure that all RSA Services are started

Fix for Cause 2: Open the traffic on port 5500/UDP from the Cisco VPN Concentrator to RSA Authentication Manager. For more information on which ports are used, see the solution regarding Which ports must be open on a firewall between RSA ACE/Server and ACE/Agent? 

Fix 3: Clear the Node Secrets, and do a test auth to set a new Node Secret

WorkaroundUpgrade from RSA ACE/Server 5.2 to RSA Authentication Manager 6.1
Legacy Article IDa30270