Hi folks bit of an odd one over the last few days i have been getting [Errno 14] HTTP Error 500: Internal Server error Could not retrieve mirrorlist http://mirrorlist.centos.org/?release=5&arch=i386&repo=updates error was [Errno 14] HTTP Error 500: Internal Server Error (though not just with updates but any mirrorlist from CentOS-Base and also fasttrack) this happens when trying to do a yum update when i try browsing to the mirrorlist address manually i get Sorry, the requested URL 'http://backend/?ra=xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx&&release=5&arch=i386&repo=os' caused an error: the x'd portion represents the boxes network address from my "provider independent" ipv6 space which i recently moved to I am dual-stacked everything else is working and cached mirrors appear to work ok using the baseurl instead also works but isn't something i want to do for long any ideas? mike