I'm trying to setup a centos 5.5 squid server to authenticate against a windows 2008 DC. I have followed the tutorial: http://serverfault.com/questions/66556/getting-squid-to-authenticate-with-kerberos-and-windows-2008-2003-7-xp However I have run into an issue. When I run the command: (Obviously changed for my enviroment) # msktutil -c -b "CN=COMPUTERS" -s HTTP/centos.dom.local -h centos.dom.local -k /etc/HTTP.keytab --computer-name centos-http --upn HTTP/centos.dom.local --server server.dom.local --verbose --enctypes 28 I get the following error (The whole message is too long to post here): Error: Unable to set machine password for centos: (3) Authentication error Error: set_password failed kinit works fine and the computer is added to the DC under COMPUTERS and SRV records created except no keytab is created.