Hello, > Ryan is right. The mirrors need to sync up. That's most likely the > cause. Still, it's curious why you have two kernels listed in grub.conf > and only one listed from yum. You should also see the 2.6.18-238.el5xen > kernel listed. Well, I copied the /var/cache/yum/timedhosts.txt file from server 1 to server 2. Then run yum update and all kinds of errors came flying at me. So I just SCP'ed the whole /var/cache/yum directory of server 1 to server 2. Ran yum update and there were the updates I was missing including the new kernel-xen. I don't know if this was the *proper* way of fixing it but it did the job :P. -- Kind regards, Hans Vos