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If You Experience Something Like ...: A Room or Room List disappears from Outook Scheduling Assistant
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Error: "Can't get working hours, object that is unlicensed or never logon may cause this issue" (4348088)
office-docs-powershell/exchange/exchange-ps/exchange/Get- MailboxCalendarConfiguration.md at main · MicrosoftDocs/office-docs-powershell · GitHub
Sumatra's Calendar Server Blog: Turning off reminders during a calendar migration to Microsoft Exchange / Office 365
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