[xwiki-users] Problem on Upgrading XWIKI Enterprise 5.1-milestone-2 to XWIKI Enterprise 5.1.

Can anyone please let me know how we can upgrade XWIKI Enterprise 5.1-milestone-2 to XWIKI Enterprise 5.1. We tried several time but its not asuccessful. We are using WAR file for deployment and database used is MySQL. We have default settings except skin. *Thanks * *Geo * * *