Leveraging BIG-IP APM for seamless client NTLM Authentication
Many customers express interest to use F5 Access Policy Manager for transparent seamless authentication for their users. There are a couple of leading use cases that drive that desired behavior:
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Published Jul 22, 2014
Version 1.0Michael_Koyfma1
Cirrus
Joined February 08, 2005
Michael_Koyfma1
Cirrus
Joined February 08, 2005
f5learn_164388
May 03, 2016Nimbostratus
Hi,
We are on 11.5.1 and went through the steps as mentioned in the article and keep seeing the following in the logs. Any pointers on where to start looking to troubleshoot this.
Logging Agent: entering External Logon Page
May 3 18:06:58 NCF5APMB err nlad[4750]: 01620000:3: <0x559058f0> clntsvc: error [0xc000005e,NT_STATUS_NO_LOGON_SERVERS] queuing logon request
May 3 18:06:58 NCF5APMB warning eca[5424]: 01620002:4: [Common] 208.72.180.21:40530 Authentication result: USERNAME@USERDOMAIN (COMPUTERNAME): Fail (STATUS_NO_LOGON_SERVERS)
May 3 18:06:58 NCF5APMB err eca[5424]: 0162000e:3: Could not verify user (USERDOMAIN\USERNAME /Common/seamless-ntlm, service Id: 22 for domain USERDNSDOMAIN DC: xxx.xxx.com (10.100.26.15), account:COMPUTERNAME) credential (STATUS_NO_LOGON_SERVERS)
May 3 18:06:58 NCF5APMB warning eca[5424]: 0162000f:4: Received invalid type of NTLMSSP message
Thanks,
Ski