Current Online World 2 was created March 2, 2008. COW2 was started, due to several players complaints of not being
able to log into COW1 because their UO client had been updated past 6.0.1.6 - Usually because they also play Paid
OSI
Presently at this time, Clients updated past 6.0.13.1 are unable to log into COW2
COW2 Server Client is running version 7.0.8.2, Not sure of compatablitly of clients patched past that