From f14154e2f600bf5f9ae0370bd4f21afc8b2e9ba7 Mon Sep 17 00:00:00 2001 From: Eldar Gasadov Date: Tue, 4 Oct 2022 18:23:18 +0400 Subject: [PATCH] update sign-in-loop.md Added sign-in troubleshooting for protected environments. --- Teams/teams-sign-in/sign-in-loop.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Teams/teams-sign-in/sign-in-loop.md b/Teams/teams-sign-in/sign-in-loop.md index ea29d68356..805f654f7a 100644 --- a/Teams/teams-sign-in/sign-in-loop.md +++ b/Teams/teams-sign-in/sign-in-loop.md @@ -120,6 +120,22 @@ For more information, see [Teams preview won't open in Safari](https://support.m - `https://*.sfbassets.com` - `https://*.skypeforbusiness.com` +## Extra steps for protected environments + +Your organization might use [Defender for Cloud Apps](https://aka.ms/defender-for-cloud-apps) and employ its Conditional Access App Control to control the access to the cloud apps. + +Examine the list of safe suffixes on [Defender Cloud Apps troubleshooting page](/defender-cloud-apps/troubleshooting-proxy-url) and check if your Teams URL ends with one of them. + +If so, you should add your modified Teams site address to your browser's trusted list. + +Let's say your Teams URL is `https://teams.microsoft.com.mcas.ms/`. You must transform it according you browser's pattern format and add to trusted list as it is described above. + +So, depending on you browser, the actual site address you should include will look like: + +- Microsoft Edge or Google Chrome: `[*.]teams.microsoft.com.mcas.ms` +- Mozilla Firefox: `https://teams.microsoft.com.mcas.ms` +- Internet Explorer: `https://*.teams.microsoft.com.mcas.ms` + [!INCLUDE [Third-party information disclaimer](../../includes/third-party-information-disclaimer.md)] Still need help? Go to [Microsoft Community](https://answers.microsoft.com/).