Source note · Troubleshooting Unified CM database replication
The technote states that the NTP stratum must be less than 5, otherwise the time source is deemed unreliable.
Checked 2026-09-30
It is essential that the NTP stratum (Number of hops to the parent reference clock) must be less than 5 or else it is deemed unreliable.
- Vendor
- Cisco
- Product
- Unified Communications Manager
- Subsystem
- NTP
- 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 4. Check the Individual Components that Use the Utils Diagnose Test Command, NTP Reachability
Cite this note
APA
WarmTransfer. (2026, September 30). Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-ntp-stratum. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-ntp-stratum
BibTeX
@misc{warmtransfer-claim-cucm-database-replication-troubleshooting-ntp-stratum,
title = {Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-ntp-stratum},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-ntp-stratum},
note = {Source note cucm-database-replication-troubleshooting-ntp-stratum, checked 2026-09-30}
}