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Bugs Killed

Windows

Mail app could not connect because the Exchange password had expired

The mail app could not connect to the server. Updating the saved Exchange password in the mail settings fixed the connection issue.

Killed once by someone from XL.net, on 2026-10-13.

Affects

Versions

  • Windows

Apps

  • Mail

What you see

  • The mail app shows that it cannot connect to the server.

Why it happens

Likely The saved Exchange password was expired.

When it shows up

A mail account stops connecting and the stored Exchange password is no longer valid.

You are in this case if:

  • The Exchange password stored in the mail settings is expired or rejected.
  • The mail app shows a server connection failure for that account.

1 fix below

The steps that killed it

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Someone from XL.net killed this on a Windows computer on 2026-10-13. It is written up from that one repair, so it cites no outside page.