M
0xcaa500e4
Easy Fix
Microsoft Teams · Collaboration & Meetings
Teams user identity context was not accepted for current tenant session.
Quick Answer
Error code 0xCAA500E4 on your Microsoft Teams Collaboration & Meetings means: Teams user identity context was not accepted for current tenant session.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Account context mismatch
  2. Guest/tenant confusion
  3. Stale login cache
  4. Policy rejection
How to Fix It
1
Sign out all accounts and sign in only target tenant account.
2
Clear app cache.
3
Open Teams web to confirm tenant context.
4
Reinvite/re-auth guest account if needed.
5
Retry desktop app sign-in.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
Related Error Codes
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