Since neither the data migration nor the firmware migration documents a reverse action, the practical safety net for a batch is keeping the Unified CM configuration and the Local Gateway interconnect in place so unmigrated and migrated users still reach each other, rather than an undo.

inferred · Checked 2026-09-16

Vendor
Cisco
Product
not restricted
Subsystem
Unified CM to Webex Calling migration
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-16
Status
inferred
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). CUCM to Webex Calling migration: source note ucm-wxc-parallel-run-substitutes-for-rollback. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucm-wxc-parallel-run-substitutes-for-rollback

BibTeX

@misc{warmtransfer-claim-ucm-wxc-parallel-run-substitutes-for-rollback,
  title  = {CUCM to Webex Calling migration: source note ucm-wxc-parallel-run-substitutes-for-rollback},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ucm-wxc-parallel-run-substitutes-for-rollback},
  note   = {Source note ucm-wxc-parallel-run-substitutes-for-rollback, checked 2026-09-16}
}

Read in context