Sharepoint 2010 /2013 Host Header Issues

1. Click Run, type regedit then hit the enter.

2. Navigate to Following Location in registry

 HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0

3.  Add New  "Multi-String Value with the Name BackConnectionHostNames.

4. Click to modify  BackConnectionHostNames

5. Add the Host Header Name

6. Save and Close the Registry.


For more information Refer the below screen.