Thanks for response. I will try it. But as Markus mentioned before, authentication doesn't need any configured KDCs because it looks into AD - it didn't help for me maybe caused by one kdc entry in the realm section you mentioned below. I hope I find time to test both scenarios. Regards Andrew Am Freitag, 2. Oktober 2009 22:26:19 schrieb andrew: > Mrvka Andreas wrote: > > Hi list, > > > > does anybody know if there is any change to define a backup kerberos > > authentication server? > > > > Do I have to set anything in krb5.conf to support more than one AD > > server? > > > > If I want to reboot the kerberos server squid should still be able to > > authenticate. > > > > Are there any hints? > > > > Regards > > Andrew > > Try several "kdc" lines in the /etc/krb5.conf file. > Like this > > [realms] > DOMAIN.BLA = { > kdc = kerbserver1.domain.bla > kdc = kerbserver2.domain.bla > > } > > > HTH, > > Andrew >