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EventID 10009 DCOM Error on SBS 2008 with NAS

It’s pretty common to connect SAMBA based NASes and other devices to an SBS 2008 network.  For example in our case we’ve got a Thecus NAS, but I’ve heard of other people trying to connect Netgear ReadyNAS, QNAP NAS and other NAS servers.  It’s also pretty common to need to join these devices to the SBS 2008 Domain, which results in these items getting created in Active Directory.  The problem however that this generates is that the Event Log / Event Viewer gets flooded with EventID 10009 DCOM Errors saying DCOM was unable to communicate with the computer <computer> using any of the configured protocols.

I’ve searched far and wide for the solution and still havn’t been able to find anything official.  The best I came across was DCOM 10009 errors on SBS2008 with NAS.  I tried doing that by deleting the computer record in AD and then creating a new record as pre Windows 2000 computer.  I should also mention that I have these records in a separate OU under MyBusiness/Computers.  After deleting and re-creating these records I had to re-join the devices to the domain.  It looked like the issue was fixed, but then I checked the log again and it seems I’m still getting the DCOM 10009 errors, so not really sure what else to do.  Either way, this is the only reasonable solution that might actually fix it for you, and if you don’t re-join the device to the domain after deleting and re-creating the device in AD, then you might not be able to authenticate with the device at all.  Hope this helps.

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  1. Karl
    June 28th, 2011 at 14:46 | #1

    I’m having exactly the same problem with NetGear readyNAS, except that the network *resets* (disconnects all Windows users then reconnects them) momentarily everytime the NAS pops up a DCOM 10009 event.

    I suspect the problem is due to SMB 2.0 but the solution is more direct. Extend the local hard drive capacity and move all data onto the servers. The NAS’s can happily gather dust in a cupboard until NetGear or Microsoft publish an answer.

  2. Mike Marcott
    March 13th, 2012 at 20:09 | #2

    Try the “fix” to filter your event logs at the official SBS Blog – Managing Event Alerts in Your Reports – An SBS Monitoring Feature Enhancement Managing Event Alerts in Your Reports http://bit.ly/zUDKQM

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