After you upgrade the MPP software, you need to reestablish the link between the MPP and the EPM by trusting the MPP's security certificate.

Procedure

1. Log in to the EPM Web interface using an account with the Administration user role.
2. From the EPM main menu, select System Configuration > MPP Servers.
3. Click the name of the MPP server that is upgraded.
4. On the Change MPP Server page, navigate to the MPP Certificate section, and click Trust this certificate if the check box is visible.
5. Click Save.
6. On the EPM navigation pane, click System Management > MPP Manager.
7. If the Mode column displays Offline, or the State column displays Stopped, do the following to start the MPP:
   1. Select the check box next to the name of the MPP.
   2. In the Mode Commands group, click Online.
   3. Click Refresh to verify that the Mode column displays Online for the MPP.
   4. Select the check box next to the name of the MPP.
   5. In the State Commands group, click Start and confirm your selection when prompted.
   6. Click Refresh to verify that the current state is Running.
8. Ensure that the telephony ports are correctly allocated to the MPP server:
   1. On the EPM navigation pane, click Real-time Monitoring > Port Distribution.
   2. On the Port Distribution page, verify the ports allocated to the MPP in the Current Allocation column.
   3. Ensure that the Mode and State columns display Online and In Service status respectively.