SharePoint Search crawl error on Windows Server 2008 Operating System

You get the following error message when you try to create a web application using host header name, e.g. http://portal.litwareinc.com or http://portal/.

See the screen shot here:

This issue occurs when the Web site uses Integrated Authentication and has a name that is mapped to the local loopback address.

Resolution: Follow the KB article KB896861 to disable loop back

http://support.microsoft.com/default.aspx/kb/896861.

Here are the steps to follow:

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. Quit Registry Editor, and then restart your computer.

Category: MOSS 2007
Published: 29/04/2009 23:18