When the last trace file in the sequence is full, trace data begins writing over the first file, so the oldest trace data is lost.

Checked 2026-09-22

When the last file in the sequence is full, the trace data begins writing over the first file.
Vendor
Cisco
Product
Unified Communications Manager
Subsystem
Trace output settings
Deployment
on-premises
Region
not restricted
Release range
14 and SUs; 15 and SUs
Checked
2026-09-22

Sources

Cite this note

APA

WarmTransfer. (2026, September 22). CUCM CallManager SDL trace files: source note cucm-sdl-trace-files-rollover-overwrite. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-sdl-trace-files-rollover-overwrite

BibTeX

@misc{warmtransfer-claim-cucm-sdl-trace-files-rollover-overwrite,
  title  = {CUCM CallManager SDL trace files: source note cucm-sdl-trace-files-rollover-overwrite},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-sdl-trace-files-rollover-overwrite},
  note   = {Source note cucm-sdl-trace-files-rollover-overwrite, checked 2026-09-22}
}

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