If you can’t see the troubled user’s free/busy data and you get this error message.
This means that user’s calendar has more than 1000 items in the calendar. You would be asking “Why this limitation?” “Can I increase this limit?”. I don’t think so. I didn’t any information on it yet.
Your solution is to tell the user to delete some items (especially any recurring meetings, if he/she can).
Being in Silicon Valley for years, I became a IT Infrastructure Geek by experience and surrounded by other Geeks everywhere. I try to help others by the solutions I found on odd occasions.
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