For EMCC from Unified CM 12.5, the Multiple Login Behavior setting of the home cluster is enforced, not that of the visiting cluster.

Checked 2026-10-02

Vendor
Cisco
Product
Cisco Unified Communications Manager
Subsystem
Extension Mobility Cross Cluster
Deployment
on-premises
Region
not restricted
Release range
12.5 and later
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting Extension Mobility login failures in Unified CM: source note cucm-extension-mobility-troubleshooting-emcc-home-enforces. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-troubleshooting-emcc-home-enforces

BibTeX

@misc{warmtransfer-claim-cucm-extension-mobility-troubleshooting-emcc-home-enforces,
  title  = {Troubleshooting Extension Mobility login failures in Unified CM: source note cucm-extension-mobility-troubleshooting-emcc-home-enforces},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-extension-mobility-troubleshooting-emcc-home-enforces},
  note   = {Source note cucm-extension-mobility-troubleshooting-emcc-home-enforces, checked 2026-10-02}
}

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