server 2003 - event ID 53

I am receiving this error message for all the computers I have in the network, and in the same time users can not connect to outlook:

Event Type:      Warning
Event Source:      CertSvc
Event Category:      None
Event ID:      53
Date:            08/11/2008
Time:            04:53:07
User:            N/A
Computer:      HQ
Description:
Certificate Services denied request 44931 because The permissions on the certificate template do not allow the current user to enroll for this type of certificate. 0x80094012 (-2146877422).  The request was for aros-fan\WS0847$.  Additional information: Denied by Policy Module

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.


Any sugestion to solve the problem? Thank you.
radu580Asked:
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futurefilesCommented:
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radu580Author Commented:
1. All the client computers are  members of the CERTSVC_DCOM_ACCESS security group.
2. I am using service pack 2
3. I restarted the server. Worked cople of hours, and than the same error.

Other sugestions?
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futurefilesCommented:
Any other event id's listed like 13 ??
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futurefilesCommented:
anything else in the certificate authority, that may help... i.e.  failed requests?
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radu580Author Commented:
just an older error:

"""""""""""""

Event Type:      Error
Event Source:      MSExchangeIS
Event Category:      General
Event ID:      9646
Date:            08/11/2008
Time:            01:48:27
User:            N/A
Computer:      HQ
Description:
Mapi session "/o=aros fan/ou=First Administrative Group/cn=Recipients/cn=george.francisc" exceeded the maximum of 32 objects of type "session".

 For more information, click http://www.microsoft.com/contentredirect.asp.
"""""""""""""""""""""""""""""

but nothing in the same time with 53
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radu580Author Commented:
and also:


Event Type:      Warning
Event Source:      Windows Server Update Services
Event Category:      Core
Event ID:      10021
Date:            08/11/2008
Time:            15:49:27
User:            N/A
Computer:      HQ
Description:
The catalog was last synchronized successfully 1 or more days ago.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

-----------------------------------------------------------------


Event Type:      Warning
Event Source:      Windows Server Update Services
Event Category:      Clients
Event ID:      13051
Date:            08/11/2008
Time:            15:49:27
User:            N/A
Computer:      HQ
Description:
No client computers have ever contacted the server.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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