An OpenAFS share cannot be accessed on a Windows XP-based client that is not using the network (916204)

RESOLUTION

Hotfix information

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows XP service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

You must be running Windows XP with Service Pack 1 or Windows XP with Service Pack 2 to install this hotfix. Additionally, you must follow these steps.

1. Disable the loopback check on the client.
   1. Click Start, click Run, type regedit, and then click OK.
   2. In Registry Editor, locate and then click the following registry key:

      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa

   3. Right-click Lsa, point to New, and then click DWORD Value.
   4. Type DisableLoopbackCheck, and then press ENTER.
   5. Right-click DisableLoopbackCheck, and then click Modify.
   6. In the Value data box, type 1, and then click OK.
   7. On the File menu, click Exit.
   8. Restart the computer.
2. Configure the client to use the loopback authentication service to access the OpenAFS share.
   1. Click Start, click Run, type regedit, and then click OK.
   2. In Registry Editor, locate and then click the following subkey:

      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0

   3. On the Edit menu, point to New, and then click Multi-String Value.
   4. In the Name column, type BackConnectionHostNames, and then press ENTER.
   5. Right-click BackConnectionHostNames, and then click Modify.
   6. In the Value data box, type the host name or the host names for the OpenAFS shares on the computer, and then click OK.
      
      Note Type each host name on a separate line.
   7. On the File menu, click Exit.

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Windows XP, all versions

File name	File version	File size	Date	Time
Lsasrv.dll	5.1.2600.2908	726,016	14-May-2006	08:30
Msv1_0.dll	5.1.2600.2908	132,608	14-May-2006	08:30