Excel calculation Services Fail to start : SharePoint

Issue: We noticed today that the Excel calculation services were not running and we were receiving an error as 

“An error has occurred. Please contact your system administrator if this problem persists."

The SCOM were throwing too many errors as

Alert: Error communicating with Excel Calculation Services

Source: spmwprodweb2

Path: spmwprodweb2.nam.nsroot.net

Last modified time: Alert description: Event ID 5240 from Source Office SharePoint Server on agent computer spmwprodweb2.nam.nsroot.net has triggered this Alert Description: There was an error in communicating with Excel Calculation Services 

There were no application logs in the event viewer related to these errors.

STEPS Performed to correct the issue:

1.       Stopped and started the Excel calculation service.

2.       Ran stsadm –o execadmsvcjobs 

Resolution: 

We had to switch the service role to another server so service was stopped at One Application server and Started on another Application server. 

If you have any queries/questions regarding the above mentioned information then please let me know. 

I would be more than happy to help you as well as resolves your issues, Thank you.