Source note · Web proxies and TLS inspection that break UC clients
Microsoft states that using third-party features to change, scrub or block decrypted Microsoft 365 traffic alters its protocols outside documented APIs, isn't supported, and may violate the terms of service.
Checked 2026-10-14
- Vendor
- Microsoft
- Product
- Microsoft 365
- Subsystem
- support policy
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- archived article; ms.date 2025-05-29
- Checked
- 2026-10-14
Sources
- Use third-party network devices or solutions with Microsoft 365 — Microsoft · tier 2 current vendor documentation · More Information, bullet 4
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-m365-modify-decrypted-unsupp. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-m365-modify-decrypted-unsupp
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-m365-modify-decrypted-unsupp,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-m365-modify-decrypted-unsupp},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-m365-modify-decrypted-unsupp},
note = {Source note tls-inspection-uc-clients-m365-modify-decrypted-unsupp, checked 2026-10-14}
}