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

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/support/docs/field-notices/742/fn74203.html

Published

2024-11-15

Updated

unknown

Accessed

2026-09-30

HTTP status

200

License

Cisco proprietary documentation; no-redistribution; short excerpts and locators only

Source notes citing this source

• Field Notice FN74203 lists Unity Connection 12.5(1) through 12.5(1)SU7 and 14 through 14SU2 as releases whose single inbox stops synchronizing with Exchange Online after February 2025, because Microsoft retired the Application Impersonation role. in context
• FN74203 gives the fix as upgrading to 12.5(1)SU8 or later, or 14SU3 or later, and configuring unified messaging with OAuth 2.0 client credentials flow; it recommends upgrading to Release 15. in context

Cite this source record

APA

WarmTransfer. (2024, November 15). 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. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-fn74203-cuc-um-m365

BibTeX

@misc{warmtransfer-cisco-fn74203-cuc-um-m365,
  title  = {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},
  author = {{WarmTransfer}},
  year   = {2024},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-fn74203-cuc-um-m365},
  note   = {Cisco Systems, accessed 2026-09-30}
}