A single Unified CM to Webex Calling migration task can migrate at most 1000 users and 1000 devices; larger estates require multiple migration tasks.

fact · verified 2026-09-04

You can migrate a maximum of 1000 users and 1000 devices in a single task.
Vendor
Cisco
Product
Webex Calling
Subsystem
Unified CM to Webex Calling migration
Deployment
multi-tenant, dedicated-instance
Region
not restricted
Release range
current as of 2026-09-04
Status
fact
Confidence
0.90
Verified
2026-09-04

Sources

Cite this claim

APA

WarmTransfer. (2026, September 4). CUCM to Webex Calling migration: claim wxc-mig-task-cap-1000-users-devices. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxc-mig-task-cap-1000-users-devices

BibTeX

@misc{warmtransfer-claim-wxc-mig-task-cap-1000-users-devices,
  title  = {CUCM to Webex Calling migration: claim wxc-mig-task-cap-1000-users-devices},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxc-mig-task-cap-1000-users-devices},
  note   = {Claim wxc-mig-task-cap-1000-users-devices, verified 2026-09-04}
}

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