During an internet outage the Teams desktop client can reconnect to the SBA with locally cached authentication information even after a client restart or machine reboot, provided that information was cached before the outage and is still within the supported SBA authentication period.
Checked 2026-09-30
- Vendor
- Microsoft
- Product
- Microsoft Teams Phone
- Subsystem
- Direct Routing SBA
- Deployment
- direct-routing
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- Survivable Branch Appliance for Direct Routing — Microsoft (Microsoft Learn) · tier 2 current vendor documentation · Known issues and considerations > In SBA mode, second sub-bullet
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up a Survivable Branch Appliance for Teams Direct Routing: source note teams-sba-setup-cached-auth-restart. WarmTransfer. https://warmtransfer.net/knowledge/claims/teams-sba-setup-cached-auth-restart
BibTeX
@misc{warmtransfer-claim-teams-sba-setup-cached-auth-restart,
title = {Setting up a Survivable Branch Appliance for Teams Direct Routing: source note teams-sba-setup-cached-auth-restart},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/teams-sba-setup-cached-auth-restart},
note = {Source note teams-sba-setup-cached-auth-restart, checked 2026-09-30}
}