[Bug 633352]

[Blubbber]

i have (had) the same problem with Thunderbird 45.3 and Exchange on
Windows 7 PC .

There where only 2 files in the mentioned folder \calendar-data\ . One
was "delted.sqlite" and one local.sqlite.

As i have no clue, how to turn on logging i tried delting both files.
This worked for me. After that only "local.sqlite" reappeared until i
dismissed the old calendar reminder, then "delted.sqlite" appeared too.

I noticed this problem always appears after a password change on
Exchange and mail login, if you didn't dismiss the invite before the
password change (company policy... every 3 month^^ ).

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https://bugs.launchpad.net/bugs/633352

Title:
  Cannot dismiss reminders for recurring events

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