SBS2008 The RPC server is too busy to complete this operation

Posted on 2014-08-21
Last Modified: 2014-09-08
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.
Question by:pc-cyt
    LVL 35

    Expert Comment

    by:Cris Hanna
    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?
    LVL 1

    Author Comment

    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
    LVL 35

    Accepted Solution

    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
    LVL 1

    Author Closing Comment

    Clearing the issues in BPA has indeed cured the issue.

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