UM Service Startup Issue with a large number of dialplans

  You may encounter an issue where the UM service is not starting. When checking the event log you will see the following events:   Log Name: Application Source: MSExchange Unified Messaging Event ID: 1038 Task Category: UMService Level: Error Keywords: Classic User: N/A Description: The Microsoft Exchange Unified Messaging service was unable to start….

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How to collect EXTRA Trace for Exchange UM Issues

When You are working on issues related to Microsoft Exchange Unified Messaging there may come a Time when you would want to collect Traces on the Exchange UM server for The Unified Messaging component to conduct some deeper troubleshooting. The Below article describes the Process of collecting EXTRA trace specifically for Issues involving Unified Messaging….


How to Integrate a PBX/IP PBX phone system with O365 Exchange UM online

IMPORTANT NOTE – Microsoft has announced End of Support for Third party PBX system that used Exchange UM online. Please check for details before investing further into this set up https://blogs.technet.microsoft.com/exchange/2017/07/18/discontinuation-of-support-for-session-border-controllers-in-exchange-online-unified-messaging/   The Purpose of this Post is to provide some guidance to customers who use a PBX/IP-PBX based phone system and wish to Integrate it with…