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Event ID 2011 — Shared Folders (SMB) Server Configuration

Updated: January 27, 2011

Applies To: Windows Server 2008

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The Server Message Block (SMB) protocol is what Windows uses to share files, printers, serial ports, and communicate this information between computers. The service must be configured correctly for the server to properly manage shared resources.

Event Details

Product: Windows Operating System
ID: 2011
Source: Server
Version: 6.0
Symbolic Name: EVENT_SRV_IRP_STACK_SIZE
Message: The server's configuration parameter "irpstacksize" is too small for the server to use a local device. Please increase the value of this parameter.

Resolve

Raise the IRPStackSize parameter for the server

The IRPStackSize parameter specifies the number of stack locations in I/O request packets (IRPs) that are used by Windows. You should increase this number for certain transports or for file system drivers.

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

Caution: Incorrectly editing the registry might severely damage your system. Before making changes to the registry, you should back up any valued data.

To increase IRPStackSize for the server:

  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click to select the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Lanmanserver\Parameters
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type IRPStackSize, and then press Enter.
  5. Right-click IRPStackSize, and then click Modify.
  6. In the Value data box, type the desired value, and then click OK.

For additional information about setting the proper value for IRPStackSize, see the following articles:

 

Verify

To perform this procedure, you must have membership in Administrators, or you must have been delegated the appropriate authority.

To verify SMB configuration settings:

  1. Click Start, click Run, type regedit, and then click OK.
  2. Locate and then click to select the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Lanmanserver\Parameters
  3. Verify that the correct parameters are present and contain the correct values.

 

Related Management Information

Shared Folders (SMB) Server Configuration

File Services

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