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RPC Server Unavailable when trying to Show Root in DFS

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RPC Server Unavailable when trying to Show Root in DFS

Postby guest » Thu Jul 29, 2010 11:24 am

Recently we have been unable to view the root in DFS. We are running Windows 2003 (standard) with SP 2. We can not view it from the servers themselves (file servers or DC) or from our Windows XP SP3 PCs.
We keep our servers and workstations patched and it seems to have stopped working about a month ago or so. We don't get into it very often since it basically runs itself, so I am really unsure exactly when it stopped working.

The only error we get is 'RPC Server is Unavailable'. There are not any event logs generated including in the File Replication Service logs in Event Viewer.

It does seem that everything is still replicating fine, but we need to use it for another job and we can no longer access it.

I've been searching for a resolution for several days now and there are plenty of articles relating to RPC Server problems, but none that address this situation.

NOTE: I have verified RPC Server IS running on all the servers in question.

Any help or insight would be greatly appreciated!

Thanks!
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Re: RPC Server Unavailable when trying to Show Root in DFS

Postby guest » Thu Jul 29, 2010 11:25 am

Please make sure that "Distributed File System" is running on all the root targets and all of your DCs. I can't see from your initial message whether you specifically looked for the DFS service or on which machines you checked.

The next thing to check is whether, for the problem namespace(s), one of the root targets is downed or was otherwise decommisioned without removing it from the namespace. If you access the root:

dir \\domain\namespace

this should prime the DFS cache to guarantee that the management console will find a live target to do management operations on. It is possible there is a problem in failing over from a downed target in the management path.

If there is such a root target, the management console will let you remove it (perhaps with a warning that the server is unavailable, but it will allow it to be forced out).
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