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.

Checked 2026-09-30

ensure that forward and reverse records (for example, A record and PTR record) are configured
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
DNS
Deployment
on-premises
Region
not restricted
Release range
Release 15 and SUs as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-dns-a-ptr. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-dns-a-ptr

BibTeX

@misc{warmtransfer-claim-cucm-database-replication-troubleshooting-dns-a-ptr,
  title  = {Troubleshooting Unified CM database replication: source note cucm-database-replication-troubleshooting-dns-a-ptr},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-database-replication-troubleshooting-dns-a-ptr},
  note   = {Source note cucm-database-replication-troubleshooting-dns-a-ptr, checked 2026-09-30}
}

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