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Certificate Enrollment - Domain Controller Event 13 - RPC Service Unavailable

Posted on 2012-04-11
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Last Modified: 2012-04-12
Hi,

We are in the process of transitioning from 2003 to 2008 and Have introduced a new DC (2008 R2) onto our network having preped the forest and domain beforehand. 1st DC seems fine so I migrated our Cert Server from the old 2003 PDC to the new 2008 R2 DC, again this seemed to go fine.

Today I have added a further 2008 R2 DC to the network and it is reporting failures enrolling for a Domain Controller Certificate.  Our 1st 2008 DC is SRVAD-01 and the new server is a VM SV-AD02.

If I run two command prompts on AD02 the first as user Administrator (CMD_USR) and the second as the system account (CMD_SYS) I get the following results:

certutil -ping srvad-01.blobbyland.co.uk

on CMD_USR it returns:
Connecting to srvad-01.blobbyland.co.uk
Server "DOMAINCA" ICertRequest2 interface is alive

on CMD_SYS it returns:
Connecting to srvad-01.blobbyland.co.uk
Server could not be reached: The RPC server is unavailable. 0X800706ba (WIN32: 1722)

However if I run the command with just the hostname and no FQDN is works on both CMD prompts.

I have raised the issue starting with this test having followed some troubleshooting tips that suggested running these tests as both the system and an admim user.

The command certutil -dump works fine in both CMD windows.

So in a nutshell, CA was on 2003 DC migrated to 2008 R2 DC, PDC anf FMSO roles remain on the 2003 DC for now. Added a second 2008 R2 DC and having Domain Controller certificate enrollment errors in the applicaiton log event ID 17,76 and 13. Manual enrolement from the cert services mmc also fails with RPC unavailable.

Firewall is disabled

Any help would be appreciated.
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Question by:DigitalNova09
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Accepted Solution

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DigitalNova09 earned 0 total points
ID: 37836343
Hi,

Managed to rectify this myself by issuing the following on the DC with the CA:

certutil -dcinfo deletebad
certutil -pulse
gpupdate /force
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