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Long dead certificate authority. How get re-pointed to new stable CA?

Posted on 2010-08-27
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Last Modified: 2012-06-21
Hello,

I inherited a bit of mess.

My situation is this:
1200 users, 2003 domain running in 2000 mixed mode, multiple sites.
6 domain controllers (4 running Server 2000, 2 running Server 2003 SP2)

2000 DC's reporting this in the event log for months:
The automatic certificate enrollment subsystem could not access local resources needed for enrollment.   Enrollment will not be performed. (0x80070005) Access is denied.

2003 DC's reporting this in the event log for months:

Automatic certificate enrollment for local system failed to enroll for one Domain Controller certificate (0x80070005).  Access is denied.

certutil -dump shows me this:
C:\>certutil -dump
402.203.0: 0x80070057 (WIN32: 87): ..CertCli Version
Entry 0:
  Name:                         `CA'
  Organizational Unit:          `'
  Organization:                 `'
  Locality:                     `'
  State:                        `'
  Country/region:               `'
  Config:                       `ngbrasus.mydomain.com\CA'
  Exchange Certificate:         `'
  Signature Certificate:        `'
  Description:                  `'
  Server:                       `ngbrasus.mydomain.com'
  Authority:                    `CA'
  Sanitized Name:               `CA'
  Short Name:                   `CA'
  Sanitized Short Name:         `CA'
  Flags:                        `1'
CertUtil: -dump command completed successfully.

What I know for sure so far:
I've confirmed that the server, ngbrasus, was removed long ago.
I've confirmed that the group "CERTSVC_DCOM_ACCESS" does NOT exist currently.

I've read the following:
http://support.microsoft.com/kb/889250
http://support.microsoft.com/kb/927066

Neither seem to exactly match my circumstances so I'm hesitant on just shotgunning a bunch of solutions.

At this point I'm not seeing any visible ill effect of the missing CA. I'm fully ready to install a new CA and re-point things if needed. If I cannot get any quality answers here I may up cross posting this over at Petri.

Thanks!
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Question by:BDoellefeld
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aymanq earned 500 total points
Comment Utility
To remove the old CA is quite easy, you can use ADSIEdit to remove the SCP from Active Directory, after ward you can install a new enterprise CA and it will be published automatically.

You can remove the SCP using ADSIEDIT from the following:

Configuration --> serivices --> Public key services -->Enrollement services

Look up in that location for CN = "your CA name" , delete that object
You can do cleanup as well for things under AIA and CDP that relates to your CA
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by:BDoellefeld
Comment Utility
Thank you for the reply and the sanity check. I have to go through a change approval process and will reply back on result.
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by:BDoellefeld
Comment Utility
Finally got a maint window. Thanks!
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