If single inbox is not working for any user with Exchange or Office 365, Cisco says to confirm in Cisco Unity Connection Serviceability that the Connection Mailbox Sync service (Critical Services) is Started.

Checked 2026-10-02

Vendor
Cisco
Product
Unity Connection
Subsystem
single inbox
Deployment
on-premises
Region
not restricted
Release range
Release 15
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-um-mbxsync-svc. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-um-mbxsync-svc

BibTeX

@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-um-mbxsync-svc,
  title  = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-um-mbxsync-svc},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-um-mbxsync-svc},
  note   = {Source note unity-connection-notification-troubleshooting-um-mbxsync-svc, checked 2026-10-02}
}

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