A Stop Error 0x000000C2 in the Srv2.sys file may occur and SMB clients cannot obtain data from the SMB 2 server in a Windows 7 or Windows Server 2008 R2 environment

Applies to: Windows 7 EnterpriseWindows 7 ProfessionalWindows 7 Ultimate More

Symptoms


Assume that you have a Windows 7-based or on a Windows Server 2008 R2-based computer that is running the Server Message Block version 2 (SMB 2) protocol and that has remote clients. In this scenario, a Stop error 0x000000C2 in the Srv2.sys file may occur. Additionally, the SMB clients cannot obtain data from the SMB 2 server.

Cause


This problem occurs because the function that returns keys to access an internal database that contains file IDs starts returning bad keys.

Resolution


Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running one of the following operating systems:
  • Windows 7
  • Windows 7 Service Pack 1 (SP1)
  • Windows Server 2008 R2
  • Windows Server 2008 R2 Service Pack 1 (SP1)
For more information about how to obtain a Windows 7 or a Windows Server 2008 R2 service pack, see Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2 .

Restart information

You may have to restart the computer after you apply this hotfix.

Replacement information

This hotfix does not replace any previously released hotfix.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information