000011627 - AxM Agent 4.9.3 for IIS 7.5: Agent loops to logon page.

Document created by RSA Customer Support Employee on Jun 14, 2016Last modified by RSA Customer Support Employee on Apr 21, 2017
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Article Number000011627
Applies ToRSA Access Manager 4.9.3 Agent for IIS 7.x
IssueAxM agent 4.9.3 for IIS 7.5: Agent loops to logon page.
The agent serves the logon page, but loops back to the login page after entering credentials.
The agent log file shows the following log messages.
2013-03-01 12:41:12 -0700 - [888] - <Debug> - value of server variable LOCAL_ADDR is <fe80>::c2bb:85ff:db98:724e%11
2013-03-01 12:41:12 -0700 - [888] - <Debug> - Entered inside get_request_header_loop and header_value for headeris LOCAL_ADDR and <fe80>::c2bb:85ff:db98:724e%11
2013-03-01 12:41:12 -0700 - [888] - <Debug> - Server IP: <fe80>::c2bb:85ff:db98:724e%11
2013-03-01 12:41:12 -0700 - [888] - <Debug> - Virtual host cache lookup failed: <fe80>::c2bb:85ff:db98:724e%11443server.host.com
2013-03-01 12:41:13 -0700 - [888] - <Debug> - value of server variable REMOTE_ADDR is <fe80>::c2bb:85ff:db98:724e%11
2013-03-01 12:41:13 -0700 - [888] - <Debug> - Entered inside get_request_header_loop and header_value for headeris REMOTE_ADDR and <fe80>::c2bb:85ff:db98:724e%11
2013-03-01 12:41:13 -0700 - [888] - <Debug> - value of server variable REMOTE_ADDR is <fe80>::c2bb:85ff:db98:724e%11
2013-03-01 12:41:13 -0700 - [888] - <Debug> - Entered inside get_request_header_loop and header_value for headeris REMOTE_ADDR and <fe80>::c2bb:85ff:db98:724e%11
CauseThis failure is due to the agents inablity to correctly parse the IPV6 address returned by the web server.
IPV6 is not supported in the 4.x agents.  
ResolutionDisable IPV6 on the network adapter used by IIS.
For more information on how to disable IPV6 see this article:
Legacy Article IDa60774

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