Field Notice: FN74203 - Cisco Unity Connection Unified Messaging with Microsoft 365, Voicemail Stored in Cisco Unity Connection Will Not Sync with Exchange Online (Outlook) Email Inbox - Software Upgrade Recommended

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Updated:November 15, 2024
Document ID:FN74203

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High
Impact Rating:
High
First Published:
2024-Nov-15
Last Published:
2024-Nov-15
Revision:
1.0
Cisco Bug IDs:

Notice

THIS FIELD NOTICE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTY OF MERCHANTABILITY. YOUR USE OF THE INFORMATION ON THE FIELD NOTICE OR MATERIALS LINKED FROM THE FIELD NOTICE IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS FIELD NOTICE AT ANY TIME.

Products Affected




Affected Software Product Affected Release Affected Release Number Comments
Unity Connection Updates 12 12.5(1), 12.5(1)SU1, 12.5(1)SU2, 12.5(1)SU3, 12.5(1)SU4, 12.5(1)SU5, 12.5(1)SU6, 12.5(1)SU7  
Unity Connection Updates 14 14  
Unity Connection Updates 14SU1 14SU1  
Unity Connection Updates 14SU2 14SU2  

Defect Information


Defect IDHeadline
CSCwm41395Retirement of RBAC Application Impersonation in Exchange Online

Problem Description


After February 2025, voicemails that are stored in Cisco Unity Connection will not sync with Microsoft 365 Exchange Online (Outlook) Email Inbox. Microsoft has announced that they will retire the Application Impersonation role and its feature set in February 2025. Once this occurs, it will break the synchronization between Cisco Unity Connection and the Microsoft 365 Single Inbox feature as Cisco Unity Connection uses the Application Impersonation role to connect to Microsoft 365. 


Background


Cisco Unity Connection uses the Microsoft Application Impersonation role and its feature set to connect with Microsoft 365 Exchange Online (Outlook) as part of the Single Inbox feature in the Unified Messaging service. Cisco Unity Connection uses this service account to authenticate to Exchange Online and to perform Exchange Web Services API calls to Exchange Online. The service account user is assigned to the Application Impersonation role for authentication and to sync voice messages with Exchange Online.

Microsoft has announced the retirement of the Application Impersonation role and its feature set in February 2025. 

After February 2025, Unified Messaging service accounts will not be able to use the Application Impersonation role to connect to Microsoft 365 because this role and its feature set will be removed. This will impact the Single Inbox feature and will break the synchronization between Cisco Unity Connection and Microsoft 365. 


Problem Symptom


After February 2025, voicemails that are stored in Cisco Unity Connection will not sync with an Exchange Online email inbox when the Single Inbox feature is being used in the Cisco Unity Connection Unified Messaging service.


Workaround/Solution


Solution

Cisco recommends upgrading Cisco Unity Connection and configuring the Unified Messaging service with Microsoft 365 using Oauth2.0 with client credentials.

Customers are advised to upgrade to an appropriate fixed software release as indicated in the following table:

Cisco Unity Connection Release Fixed Release
12.5(1)
12.5(1) SU1
12.5(1) SU2
12.5(1) SU3
12.5(1) SU4
12.5(1) SU5
12.5(1) SU6
12.5(1) SU7
12.5(1) SU8

12.5(1) SU81

Note: Although this issue is addressed in 12.5(1) SU8, Cisco recommends that customers upgrade to Cisco Unity Connection Release 15.
14
14 SU1
14 SU2

14 SU31

Note: Although this issue is addressed in 14 SU3, Cisco recommends that customers upgrade to Cisco Unity Connection Release 15.
1. If a customer has subscribed to SpeechView, they should upgrade to either Cisco Unity Connection Release 14 SU4 or Release 15 SU2.
 

Notes:

  • Only Cisco Unity Connection releases 12.5(1) SU8 and later or releases 14 SU3 and later will support the Single Inbox feature in the Unified Messaging service after February 2025. Customers that are using Single Inbox are encouraged to upgrade to these releases.
  • If a customer has subscribed to SpeechView, a transcription service offered through Cisco Unity Connection, they should upgrade to Cisco Unity Connection Release 14 SU4 or Release 15 SU2. For more information, see Cisco Unity Connection SpeechView Transcription Service Will Stop Working after December 30, 2024.

Cisco has migrated to Oauth2.0 with client credentials flow. To configure the Unified Messaging service with Microsoft 365 using Oauth2.0 with client credentials flow, see the Task List for Configuring Unified Messaging with Office 365 section in the following documents:


Revision History


VersionDescriptionSectionDate
1.0Initial Release—2024-NOV-15

For More Information

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