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Cisco Employee

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

Great to hear you got it working.

Beginner

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

hi guys, my apologies, i forgot to update my thread. I re-installed my AD as it was an upgraded directory from 2008r2 to 2012r2 over a couple of years. As i reviewed, I was actually having directory replication issues, so i decided to reload fresh on 2012r2. Everything is working as expected now.   Thanks Goodness!!!

Beginner

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

HI Guys,

I have the similar problem.  But my case is a bit different.  Both my PSN01 and PSN02 connected to same domain controller, DC01. 

PSN01 --> DC01,  RPC logon failed.

PSN02 --> DC01, RPC logon successful.

In this case, what could be the possibilities?

Cisco Employee

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

If your deployment has multiple domain controllers, please still investigate Active Directory health. For a single domain controller setup (e.g. in a lab), please wait for 5 minutes and see whether it recovers, as you might have hit CSCvf71029.

Please engage Cisco TAC for further troubleshoots.

Beginner

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

It has nothing to do with the flapping.  We have used 3 user IDs for troubleshooting.

User ID A

PSN01 --> DC01, RPC logon success

PSN02 --> DC01, RPC logon success

User ID B

PSN01 --> DC01, RPC logon success

PSN02 --> DC01, RPC logon failed

User ID C

PSN01 --> DC01, RPC logon failed

PSN02 --> DC01, RPC logon failed.

With these 3 User ID, we are stucked and unable to identify where would be the problem. I have reset the AD connector, and also restart the application services, still no luck. Anyway, we have lodge TAC case to investigate.  Still waiting for the investigation results.  Just incase anyone of you have the similar experience, which may help to solve the issue.

Contributor

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

I just had this same issue.  Both ISE Servers were joined to the domain, and one of them dropped off.  I ran a diagnostics (same place you join to the domain) and it was failing on the two messages both related to Kerberos.  AD was healthy.  I can not remember what the exact fix was but it was something in ISE.  I believe I failed it back to the primary server, rebooted it, checked NTP (Made some corrections to time sources I was syncing).

Run the diagnostic tool under External ID Sources/AD.  This will give you the best direction to troubleshoot.

Beginner

Re: Active Directory Authentication ERROR_RPC_NETLOGON_FAILED

diagnostic tools had been run and all nodes are healthy.