Cannot access the calendar in Outlook Web App in an Exchange Server environment

When users try to access the calendar in Microsoft Outlook Web App in a Microsoft Exchange Server 2010, Microsoft Exchange Server 2013, or Microsoft Exchange Server 2016 environment, the users receive the following error message:
The item you tried to access no longer exists.

The item wasn't found. You or a delegate might have moved or deleted it using another computer or a mobile phone.
Note This issue affects all users in the environment.
This issue occurs because the default calendar sharing policy is missing.
To resolve this issue, follow these steps:
  • Run the following command to create a new calendar sharing policy:
    New-SharingPolicy "Default Sharing Policy" -Enabled $true -Domains *:CalendarSharingFreeBusySimple –Default $true
  • Open Internet Information Services (IIS) Manager, and then recycle the MSExchangeOWAAppPool and MSExchangeOWACalendarAppPool application pools.

Article ID: 2780262 - Last Review: 10/01/2015 07:36:00 - Revision: 2.0

Microsoft Exchange Server 2010 Enterprise, Microsoft Exchange Server 2010 Service Pack 1, Microsoft Exchange Server 2010 Service Pack 2, Microsoft Exchange Server 2013 Enterprise, Microsoft Exchange Server 2013 Standard, Exchange Server 2016 Enterprise Edition, Exchange Server 2016 Standard Edition

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