We all love Microsoft Dynamics CRM, but we admit it is not perfect. That’s why it is very helpful that Microsoft maintains a list of known issues in CRM On Premise and CRM Online in the release ReadMe file. Reading this will save you time when deploying CRM, as you will be aware of current limitations.
View the readme for CRM Online Fail ’13 and Dynamics CRM 2013 On Premise with Update Rollup 1.