Why can't Edge handle two accounts, even when they are assigned to two different profiles?

Hello Brian Hauge-Hansen,

Thank you for reaching out to Microsoft Q&A

This is a common issue of Microsoft Edge + Entra ID (Azure AD) when using multiple work accounts. This happens because:

• Windows tries single sign-on (SSO) across apps and browsers → tied to the logged-in Windows account.
• Edge profiles are more about bookmarks, extensions, and sync separation, not full SSO token isolation.
• Unless account B is also added to Windows under Access work or school (Settings → Accounts → Access work or school), Edge often won’t get a valid PRT for B → and defaults back to A.

Here are some workarounds you can try:

1. Add account B at Windows level
   • Go to Settings → Accounts → Access work or school → Connect.
   • Add account B as a “work account” (not switching your PC’s main login, just attaching it).
   • This gives WAM a valid token for B, which Edge can then use when you’re in Profile B.
2. Force profile-based account selection
   • In Edge, check under Settings → Profiles → Profile preferences → ensure "Default profile for external links" is set correctly.
   • For testing, try launching an InPrivate window in Profile B — if it still defaults to A, it’s definitely WAM overriding.
3. Use “private” or “in-app” login instead of WAM
   • Some orgs configure Edge via policy to disable WAM sign-in (Authentication/EnableImplicitSignin or related ADMX).
   • Without WAM, Edge falls back to web-based auth per profile → isolation works, but you lose seamless SSO.
4. Last resort isolation
   • If you must keep A and B fully separate, sometimes the only clean option is using one of these:
   • One account in Edge, the other in Chrome/Firefox.
   • Or run Edge in a separate OS user session (Windows fast user switching).

I hope this helps you get things back on track quickly! If you agree with our suggestion, feel free to interact with the system accordingly!