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SBS2008 The RPC server is too busy to complete this operation

Whilst hunting for reasons why file and print share seem to disappear for a few minutes around 12:10 most days on this SBS2008 box I find this is the only error that seems to be related.   What does it mean? and could it cause file and print sharing to have a wobbly moment?

File Server Resource Manager failed to enumerate share paths or DFS paths.  Mappings from local file paths to share and DFS paths may be incomplete or temporarily unavailable.  FSRM will retry the operation at a later time.

Error-specific details:
   Error: NetShareEnum, 0x800706bb, The RPC server is too busy to complete this operation.
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1 Solution
Cris HannaCommented:
My first recommendation always is:  Install and run the SBS 2008 BPA and fix EVERYTHING it finds, regardless.   I suspect you have issues around the TCP/IP stack, but it would also be helpful to know the hardware specs of your server, how disks are configured and if you have any AV software running on the server?   Backup running at 12:10?
pc-cytAuthor Commented:
Hi Cris,

Fujistu TX300 S5, Dual Xeon E5520, 12GB
3 x 136GB RAID1 (SAS Drives),
DISK0: SBS2008
DISK2: Part1: SWAP  Part2: File Shares
Single onboard gigabit intel based NIC

AV 100% disinstalled while trouble shooting
Plently of free space on partitions

Running BPA shows several warnings:

Add-On Congestion Control Provider
Internet Explorer Enhanced Security Configuration is not enabled
Local activation permission to the IIS WAMREG Admin Service required
One or more groups may not display in the Windows SBS console
Receive Window Auto-Tuning Level
Receive-Side Scaling State
Service Pack 2 for Windows Server 2008 is not installed !!opps!!
Task Offload
The Default Web Site is using port 443
The log file for the Windows SharePoint Services configuration database is getting large
User account does not show in the Windows SBS Console
Cris HannaCommented:
If you click on each of those warnings it will tell you how to fix...especially
- Add-On Congestion Control Provider
- Receive Window Auto-Tuning Level
- Receive-Side Scaling State
- Task Offload

And Service Pack 2 should be installed ASAP

I suspect you'll see the issue go bye bye
pc-cytAuthor Commented:
Clearing the issues in BPA has indeed cured the issue.

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