Source note · Web proxies and TLS inspection that break UC clients
Microsoft recommends calling the /version method of the Microsoft 365 IP Address and URL Web Service once an hour, and fetching /endpoints or /changes only when the version changes.
Checked 2026-10-14
- Vendor
- Microsoft
- Product
- Microsoft 365
- Subsystem
- endpoint change management
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Managing Microsoft 365 endpoints — Microsoft · tier 2 current vendor documentation · Change management > Change notification using the Web Service
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-m365-version-poll-hourly. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-m365-version-poll-hourly
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-m365-version-poll-hourly,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-m365-version-poll-hourly},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-m365-version-poll-hourly},
note = {Source note tls-inspection-uc-clients-m365-version-poll-hourly, checked 2026-10-14}
}