Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Pre-Change Tasks and System Health Checks

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/15/adminGd/cucm_b_administration-guide-15/cucm_m_pre-change-tasks.html

Published

2026-08-31

Updated

unknown

Accessed

2026-09-30

HTTP status

200

License

Cisco proprietary; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• If DNS is configured anywhere on the Unified CM servers, the Administration Guide requires both forward and reverse records (for example A and PTR) to be configured. in context
• Before an IP address or hostname change, the Administration Guide health check confirms there are no active ServerDown alerts, then that utils dbreplication runtimestate shows a status of 2 for all nodes, then runs utils diagnose module validate_network on the first node. in context

Cite this source record

APA

WarmTransfer. (2026, August 31). Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Pre-Change Tasks and System Health Checks. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cucm-admin-15-pre-change-tasks

BibTeX

@misc{warmtransfer-cisco-cucm-admin-15-pre-change-tasks,
  title  = {Administration Guide for Cisco Unified Communications Manager, Release 15 and SUs - Pre-Change Tasks and System Health Checks},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cucm-admin-15-pre-change-tasks},
  note   = {Cisco Systems, accessed 2026-09-30}
}