When we try to access any of the available DCRM organization on DCRM 2011, and if you see any of the below errors indicate that a key is not being regenerated correctly.  

Error message in Event Logs: Current key (KeyType : CrmWRPCTokenKey) is expired. This can indicate that a key is not being regenerated correctly.  

Error message while accessing Microsoft Dynamics CRM GUI:
















Solution:
1. Start “Microsoft CRM Asynchronous Processing Service” if not running already.
Go to Windows server (where DCRM is installed) Start Menu > Run ; Type services.msc)

2. Run below command from the command prompt with /R parameter from “Microsoft Dynamics CRM\Tools” folder (default path : C:\Program Files\Microsoft Dynamics CRM\Tools)

Command:
Microsoft.Crm.Tools.WRPCKeyRenewal.exe /R