Source note · SD-WAN considerations for voice
Microsoft recommends local DNS and local internet egress for Microsoft 365, avoiding network hairpins through intermediate security stacks or cloud gateways, and prioritising direct internet access over WAN backhaul.
Checked 2026-09-24
- Vendor
- Microsoft
- Product
- Microsoft 365 including Teams
- Subsystem
- network connectivity
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Microsoft 365 network connectivity principles — Microsoft · tier 2 current vendor documentation · Egress network connections locally; Avoid network hairpins; Optimizing connectivity to Microsoft 365 services
Cite this note
APA
WarmTransfer. (2026, September 24). SD-WAN considerations for voice: source note sdwan-voice-m365-local-egress. WarmTransfer. https://warmtransfer.net/knowledge/claims/sdwan-voice-m365-local-egress
BibTeX
@misc{warmtransfer-claim-sdwan-voice-m365-local-egress,
title = {SD-WAN considerations for voice: source note sdwan-voice-m365-local-egress},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sdwan-voice-m365-local-egress},
note = {Source note sdwan-voice-m365-local-egress, checked 2026-09-24}
}