this computer was not able to set up a secure session with a domain controller in domain xxxxx due to the following: the rpc server is unavailable

Why does the event log for this server get this message?
It's showing in the system log, and twice within 10 minutes.

We are running two domains, this domain has a dc (this machine)  and one other server. We have server 2003 running, and this is a sql database domain --setup to run the companys' accounting applications.
I checked the following things:
dns settings
tcp/ip configuration
all other sys logs
all application  and security logs

Any ideas would be helpful.
I have attached two screen shots for further review.
Thank you.

teammiscbc
10-10-08-cbcsql-sys-error-.pdf
10-10-08-2nd-half-error.pdf
TeamMISCBCAsked:
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AmericomCommented:
Looking at your attachment, if the event is from a Domain Controller, wonder why you don't have a DNS Server event log. You don't have DNS installed on this server or how is your DNS configured?

Also, if you have two domains, are they in completely separate forest or one forest one tree with parent/child domain relationship?
What about the trust relationship? My guess is that there could be either DNS issue or trust issue that leads to an authentication problem between domain controllers in different domain.

Another possibility is your SQL configuration, how is your SQL configure to authenticate, SQL account or Domian Account using Windows Integrated?
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TeamMISCBCAuthor Commented:
americom,
 Ok. We don't have dns running on this server, it's not configured for that role.
I don't know on the question about forests ---please tell me how I can check.
How do I check the trust relationship>?

I don't know the sql config...we paid a contractor  2 yrs ago to do the config, and the MIS director has left (that was here then). I can't find AD Sites and Services. Please assist on this, too. Thanks.

teammiscbc
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Darius GhassemCommented:
Go to Administrative tools look for Active Directory Sites and Services.
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TeamMISCBCAuthor Commented:
Thanks, dariusq...I did look up sites and services. It is NOT on that server. It's on the other one in that domain, tho. I went there (on the other server in that domain), and I find ad sites and services...nothing in it. . . I don't see how to check the configuration on it. Thanks.

teammiscbc
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AmericomCommented:
Yep, Administrative Tools>Active Directory Domains and Trusts>right-click on the domain name>Select Properties>Click on trust. You should see the outgoing and incoming trust as well as the domain names of the two domains. Highlight each one of them and click on the Properties button to identify the Trust Type and the Authentication Methods.

Where is your dns is running and how is your DNS is configured?
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Darius GhassemCommented:
Which server are you having trouble with?
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AmericomCommented:
If you don't see anything in the Trust windows, there there's no trust established. You said you have two domains, what are the domain names? Or you may be referring to two domain controllers instead of two domains. If that's the case, you probably have problem between those two controllers. Were you able to logon to each domain controllers with the same domain account without any problem? If so, do a replication between them and see if you have any error events in the log.
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TeamMISCBCAuthor Commented:
Americon,
 The domain names I will not post here, but be assured they are on the same network---same subnet. Different forest as the other domain. Each has it's own dc, of course.
YEs, I am able to login to each domain controller with the exact same domain user accounts (in their respective forrests, of course). I can't replicate between the two different domains, because there is no setup for that between the two forrests. That's because of no setup in the ad sites and services. The domain with the error message I started with is the smaller of the two...fewer servers, and is just used for the finance part of the company.
Hope this helps someone solve the error. Thanks. I won't get back to this untill Monday morning, but please feel free to help solve it during the weekend. Thanks again.
teammiscbc
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Darius GhassemCommented:
Did you go through the links I posted?
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AmericomConnect With a Mentor Commented:
So from the above, you have two completely separate domains in separate forest and in the same subnet, not sure why it was setup this way. But since there is no trust established and their completely unrelated, these two domains will not be able to share any resources. Are you trying to share resources(web, file, print, database etc) between these two domain? if so, you need to established between them. Before you can establish the trust, you need to verify how your DNS is configured as I still have no clue...
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TeamMISCBCAuthor Commented:
americom,

 you're correct...we do not share any files/printing functions/databases, etc between the two domains.

dariusq,

 I looked at both of your links, yes. I don't want to change any registry settings. Too risky for me at this point.

Both of you I will award the points split in 1/2.
Good job.

teammiscbc
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