If you try to connect to MS CRM Dynamics and you get “Invalid Action” as well as in Event log you find:
Current active key (KeyType : CrmWRPCTokenKey) is expired.
This can indicate that a key is not being regenerated properly.
Current Active Key : CrmKey(Id:58668f87-9a55-de11-835e-001ec9bb8073, ScaleGroupId:00000000-0000-0000-0000-000000000000, KeyType:CrmWRPCTokenKey, Expired:True, ValidOn:06/10/2009 08:41:46, ExpiresOn:07/13/2009 08:41:46, CreatedOn:06/10/2009 08:41:46, CreatedBy:NT AUTHORITY\SYSTEM. Key Setting :
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.