Kerberos Settings

Kerberos needs to be set up for any services across the network.

For example SQL server, SSRS, SharePoint.

Add:

setspn -a HTTP/URL Domain User

Remove:

setspn -d HTTP/URL Domain User

See here for further help:

http://blogs.msdn.com/b/martinkearn/archive/2007/04/23/configuring-kerberos-for-sharepoint-2007-part-1-base-configuration-for-sharepoint.aspx