SBS 2011 Server shutting itself down!

Hi all,

I have a major issue here that we're struggling with at the moment so all and any help would be massively appreciated.

basically we have a new HP ML350 G6 server with SBS 2011 (sp1) installed which has started over the last few days to shut itself down.

The last occurance has just happened while I was at the console and in the system log I have:

The process C:\Windows\system32\services.exe (SBSERVER) has initiated the restart of computer SBSERVER on behalf of user NT AUTHORITY\SYSTEM for the following reason: No title for this reason could be found
 Reason Code: 0x30006
 Shutdown Type: restart
 Comment: Windows must now restart because the Remote Procedure Call (RPC) service terminated unexpectedly

Has anyone see this before or knows what might be causing this.

FYI no virus or malware is detected on the system

I look forward to your responses and thanks in advance.
IT12345Asked:
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IT12345Author Commented:
Yes there are, the two that occured immediately after the above event are:

The RPC Endpoint Mapper service terminated unexpectedly.  It has done this 1 time(s).  The following corrective action will be taken in 120000 milliseconds: Restart the service.

and

The Remote Procedure Call (RPC) service terminated unexpectedly.  It has done this 1 time(s).  The following corrective action will be taken in 60000 milliseconds: Reboot the machine.

I have installed the hotfix from the 2nd link you posted, the first one according to the installer it applicable.

I have also found this article which points to those hotfixes and also suggests diabling ipv6:

http://social.technet.microsoft.com/Forums/en-US/smallbusinessserver/thread/16cac6e4-ffb5-4920-b48e-0f484ae8c8ff

Looks like I'm not the only one with this issue.

I will post back if this has solved it.

Thanks.
Rob WilliamsCommented:
I don't have a suggestion for your problem, but DO NOT disable IPv6, it results in the #1 support call to Microsoft.
IT12345Author Commented:
Thanks all,

the hotfix I installed worked a treat and the server hasn't shut itself down since installing it.

For the record I didn't disable IPV6 mainly becuase I was afraid it would break the server, thanks Rob for confirming this also.
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