While configuring the Email router for crm 2015. when fetching the User and queues details. getting this error
Email Router Configuration Manager
The Email Router Configuration Manager was unable to retrieve user and queue information from the Microsoft Dynamics CRM server. This may indicate that the Microsoft Dynamics CRM server is busy. Verify that URL '' is correct. Additionally, this problem can occur if specified access credentials are insufficient. To try again, click Load Data. (The decryption key could not be obtained because HTTPS protocol is enforced, but not enabled. Enable HTTPS protocol, and try again.)