Source note · Troubleshooting Unified CM database replication
The technote says port 1515 must be allowed on the network between nodes, in the context of confirming that the Database Layer RPC (DBL RPC) hello succeeds.
Checked 2026-09-30
Ensure that the port number 1515 is allowed on the network
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- network ports
- Deployment
- on-premises
- Region
- not restricted
- Release range
- release not stated by source; current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Troubleshoot CUCM Database Replication Issues — Cisco Systems · tier 2 current vendor documentation · Step 5. Check the Connectivity Status from all the Nodes and Ensure They are Authenticated
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-port-1515-rpc. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-port-1515-rpc
BibTeX
@misc{warmtransfer-claim-cucm-database-replication-troubleshooting-port-1515-rpc,
title = {Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-port-1515-rpc},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-port-1515-rpc},
note = {Source note cucm-database-replication-troubleshooting-port-1515-rpc, checked 2026-09-30}
}