Update Rollup 12 FAQ and Known Issues

The Microsoft CRM Support team has posted a blog article with some FAQs and known issues for the December 2012 Service Update and Update Rollup 12 (UR12). Its a great resource and I would recommend you review it before going live with this update.

https://community.dynamics.com/product/crm/crmtechnical/b/dynamicscrmsupportblog/archive/2013/01/28/december-2012-update-has-been-released.aspx