File and Print Services for NetWare Reports Insufficient IRPStackSize (299783)


The information in this article applies to:

  • Microsoft Windows 2000 Server SP1
  • Microsoft Windows 2000 Advanced Server SP1
This article was previously published under Q299783
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

After you install a large number of filter drivers, File and Print Services for NetWare may exhibit one of the following conditions:
  • File and Print Services for NetWare may not start, and the following error message may be logged:
    Event Type: Error
    Event Source: FPNWSRV
    Event ID: 2011
    Description: The server's configuration parameter "irpstacksize" is too small for the server to use a local device. Please increase the value of this parameter.
  • File and Print Services for NetWare may start successfully, but clients may be unable to connect and the following error message may be logged:
    Event Type: Error
    Event Source: FPNWSRV
    Event ID: 2011
    Description: The server's configuration parameter "irpstacksize" is too small for the server to use a local device. Please increase the value of this parameter.

CAUSE

This problem can occur when the number of installed filter drivers has reduced the available IRPStackSize below the minimum size that is required by File and Print Services for NetWare.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix should have the following file attributes or later:
   Date       Time      Version         Size     File name
   ---------------------------------------------------------
   7/2/2001   04:22p   5.0.2195.3805   213,648   Fpnwsrv.sys
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

After you apply this hotfix, you may need to modify the following registry values to resolve this problem. The values to use vary depending on the number of filter drivers that are installed.
  1. Start Registry Editor (Regedt32.exe), and then click the following key in the registry:

    HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\FPNW\Parameters

  2. On the Edit menu, click Add Value, and then add the following registry value:

    Value name: IRPStackSize
    Data type: REG_DWORD
    Radix: Decimal
    Value data: 16 (increase by increments of 2 if the problem persists)

  3. Quit Registry Editor.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3.

MORE INFORMATION

For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:

249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
Modification Type:MinorLast Reviewed:9/26/2005
Keywords:kbHotfixServer kbQFE kbbug kbDirServices kbfix kbWin2000PreSP3Fix kbWin2000sp3fix KB299783
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