dcdiag shows errors

Network with 4 servers, all running Windows 2003.  New server (named EXCHANGE) added as a DC.  DNS installed on this server.  dcdiag shows several errors:

Starting test: frssysvol
         ......................... EXCHANGE passed test frssysvol
      Starting test: frsevent
         There are warning or error events within the last 24 hours after the
         SYSVOL has been shared.  Failing SYSVOL replication problems may cause
         Group Policy problems.
         ......................... EXCHANGE failed test frsevent
  Starting test: systemlog
         An Error Event occured.  EventID: 0x00000457
            Time Generated: 11/11/2004   13:26:12
            Event String: Driver Amyuni PDF Converter 2.07 required for
         ......................... EXCHANGE failed test systemlog
   Starting test: FsmoCheck
         Warning: DcGetDcName(GC_SERVER_REQUIRED) call failed, error 1355
         A Global Catalog Server could not be located - All GC's are down.
         ......................... precisionservice.com failed test FsmoCheck

I followed the steps in http://support.microsoft.com/?id=822583

I plan to install Exchange 2003 on this server and part of the process is to be sure dcdiag produces error-free results.  Everything else passed, but I can post the whole results file if that's helpful.  Any help with the above three items would be appreciated.
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1) May not be too bad depending on what the error was in the log and if you've subsequently fixed it. It's just saying that there an frs related error in the event log. If you've taken care of it, it shouldn't be a problem.
It may help though to post the related error log/s, although the frssysvol pass id good news.
2)Is similar to 1, in so far as it's reporting an error in the system event log. Looks like a missing driver? anyway you should fix that anyway.
3) Is a bit more worrying - it appears that it can't contact a global catalog server. This could be for a number of reasons though. Could be a dns issue, could be a lack of a global cat server that's accessible to that dc at that moment in time, could be other things too. Of the 4 servers is it? do you know which hold which fsmo roles, and can you verify that one is a global catalog server? You can check this in ad sites and services, expand servers and check the ntds settings. You haven't just restored a dc from backup or anything have you?
Also how's dns setup on this site, and are you connected to any other sites? How long has this new dc been up and running since promotion?

Just for starters,

Deb :))


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pcspcsAuthor Commented:
Okay, let's start with number 3.  First, is a global catalog server necessary?  I've never set one up and it doesn't appear in the requirements shown by the Exchange deployment tools (this is a new server being added to the domain to host Exchange).  I had read that it's really something for remote sites to improve logins.  This is a small network without remote sites or locations with a single domain and 4 servers.  Is it necessary for me to install one?  

Under AD Sites and Services I can expand Sites, then Default-First-Site-Name, then Servers and I see three servers listed (my 4th is a stand-alone).  The server I'm working on and the other one that's a DC both have NTDS settings listed under them.  When I select that, the only item is "automatically generated" and the From field is shows the other DC's name.  The From Site field shows Default-First-Site-Name.

You asked about restoring a DC.  Here's what happened:  we installed this server as a DC awhile back and used it as a test-bed system.  Everyone got to play around and experiment.  We decided to start from scratch so we tried to remove it from AD, but dcpromo wouldn't work to demote it and remove from AD, so we did it manually following a bunch of steps in a MS KB article.  We then installed from scratch on new harware using the same server name.

As for DNS, we've done a lot of moving things around, but finally ended up with DNS now being installed on both of the DC's.  Both are set for AD integrated and when we manually add an entry to one, it properly replicated through AD and shows up on the other.  Both are set for dynamic updates.  We are not connected to any other sites, but simply to our ISP via T1 line.

This DC was not promoted, but was installed fresh a week or so ago and directly added as a DC during installation.
pcspcsAuthor Commented:
Okay, you pointed me in the right direction with the NTDS settings.  What I missed the first time was that setting up a server as a global catalog server is as easy as right clicking on the NTDS settings object, selecting Properties, and putting a check in the box "global catalog".  Neither of my two DS's were set for this.  I don't know if that's normal or because of the way we've added and removed servers from the AD over time.  For reference for other with this error, the exact steps are:

From Administrative tools select "Active Directory Sites and Services"
Expand Sites
Expand Default-First-Site-Name
Expand Servers
Click the server you want to check or change to be a GC
Right click NTDS settings and choose properties
Check the box "global catalog"

Yes that's right - and you do really need a global cat, particularly for exchange,
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