Source note · Troubleshooting Unified CM database replication
The Release 15 port-usage table lists 1500/TCP and 1501/TCP between Unified CM database nodes for the database connection, with 1501 as the secondary connection.
Checked 2026-09-30
Database connection (1501 / TCP is the secondary connection)
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- network ports
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Release 15 and SUs as of 2026-09-30
- Checked
- 2026-09-30
Sources
- System Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Cisco Unified Communications Manager TCP and UDP Port Usage — Cisco Systems · tier 2 current vendor documentation · Intracluster Ports Between Cisco Unified Communications Manager Servers, row 1500, 1501 / TCP
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-port-1500-1501. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-port-1500-1501
BibTeX
@misc{warmtransfer-claim-cucm-database-replication-troubleshooting-port-1500-1501,
title = {Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-port-1500-1501},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-port-1500-1501},
note = {Source note cucm-database-replication-troubleshooting-port-1500-1501, checked 2026-09-30}
}