"There was a connection issue" message when running or activating DeviceHub in PitneyShip Pro
Learn how to resolve the error "There was a connection issue. Contact PitneyBowes. Error-Port 8091 is in use by another application."
Products affected: PitneyShip™ Pro
Issue
When trying to run or activate DeviceHub, the message "There was a connection issue. Contact Pitney Bowes. Error-Port 8091 is in use by another application." appears.
Cause
Port 8091 is being used by another device other than DeviceHub.
Resolution
Port 8091 needs to be isolated for DeviceHub. If another application is using port 8091, DeviceHub will not be usable. Have your IT department review the DeviceHub Networking Requirements:
UPDATED: 13 September 2023