The server’s configuration parameter “irpstacksize” is too small for the server to use a local device. Please increase the value of this parameter.

Details
Product: Windows Operating System
Event ID: 2011
Source: Srv
Version: 5.0
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.
   
Explanation

The server is configured with too many file system filter drivers (for example, Quota and anti-virus) and/or too many devices, or the irpstacksize parameter is set to less than the default of 15 stack frames. The irpstacksize represents the number of kernel modules that can store information in the input/output (I/O) Request Packet (IRP). The IRP is used to track I/O requests in the kernel.

   
User Action

The irpstacksize parameter can be increased by changing the registry value.

To change the registry value

  1. Using Regedit, open the following registry key:
    HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters\IrpStackSize
  2. In the Value data box, type 15.

The default size is 15 stack frames. Each stack frame is 50 bytes. If the value is less than 15, advanced users can safely set it back to 15. If 15 is too small, try increasing the number by increments of 5 until this event is no longer logged. Changing this registry key requires a restart of the Server service.

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