Patch failure - cryptographic service mentioned. Not the usual solution

From: andrew_webby at hotmail (andrew_webby_at_hotmail.com)
Date: 04/16/04


Date: 16 Apr 2004 05:09:25 -0700

Hi all

I'm sure most of us sysadmins have come across patches failing to
install in XP giving errors regarding the cryptographic service. The
usual catroot2 fix is what we usually turn to first I think. In my
case, only the April security bulletin ones were failing, giving the
usual Cryptographic Service error. There was nothing wrong with the
catroot2 or service entries so that was a no-go.

When I ran the patch via the scheduler service remotely, it dumped
this in the event log:
Windows XP KB828741 installation failed.
The timestamp signature and/or certificate could not be verified or is
malformed.

I eventually traced it down to a group policy that had been
accidentally set:

Computer configuration, Windows, Security, Public Key Policies
Client computers can trust the following certificate stores: was set
to "Enterprise Root Certification Authorities" instead of "Third-party
Certification Authorities and Enterprise Root Certification
authorities".

KB835732 and KB828741 were the ones that were failing on me, previous
patches seemed OK. Maybe something changed at MS end or something, the
way they signed the patches or something, I dunno.

Anyway, posting here for the benefit of anyone else who hits this
problem.



Relevant Pages

  • Re: Cryptographic service error MS06-01 & 02
    ... >>>I could not apply the following security patches to a couple of Windows ... >>> SP1 servers. ... >>> cryptographic service is running on the server. ... >>> dle ...
    (microsoft.public.windowsupdate)
  • Re: update kb832894
    ... tried to install manually it came up "check cryptographic service is ... running" I restarted this using the service snapin but same problem occured. ... > What's the error message? ... it keeps failing on my ...
    (microsoft.public.windows.server.sbs)

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