Unable to update iVend Magento Integration service.

Unable to update iVend Magento Integration service.

Problem Statement: 

Unable to Update IVend Magento Connector Service.

Error: 

While trying to update iVend Magneto Connector Integration service system gives the message. “One or more error occurred”

Solution:

1: Open iVend Magento connection manager.
2: Select Tab “Magento Settings”
3: Make sure Access Token key is valid.
4: Ping the Website URL in browser it should work.
5: Try to remove S character from the https:// then try to update IVend Magento Integration service.