Cross-premises Calendar editing is unavailable in a hybrid deployment of Exchange Online in Office 365 and on-premises Exchange Server

Article ID: 2807149 - View products that this article applies to.

Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade?
(http://office.microsoft.com/redir/HA103982331.aspx)
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INTRODUCTION

In a hybrid deployment of on-premises Microsoft Exchange Server and Microsoft Exchange Online in Microsoft Office 365, you can configure free/busy information sharing so that on-premises users and cloud-based users can see each other's availability in Microsoft Outlook or Outlook Web App.

However, you can't grant permissions to create or edit items in another user's calendar cross-premises. That is, cloud-based users can't edit the calendars of on-premises users, and on-premises users can't edit the calendars of cloud-based users. For this level of access, especially when one user must act as a delegate for another user, both mailboxes must exist in your on-premises Exchange organization, or both mailboxes must exist in your Office 365 organization. 

To move an on-premises mailbox to the cloud-based organization, or to move a cloud-based mailbox back to the on-premises organization, run the New Remote Move Request Wizard in the Exchange Management Console on the hybrid server. For more information about mailbox migration between the on-premises organization and the cloud-based organization, see the following wiki post in the Office 365 Community: 
Exchange hybrid deployment – moving cloud-based mailboxes to the on-premises organization
(http://community.office365.com/en-us/wikis/exchange/566.aspx)
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MORE INFORMATION

Error messages that users may receive when they try to grant Write-level permissions or perform Write-level actions (such as deleting an appointment in another user's calendar in Outlook or Outlook Web App) include the following:
  • One or more users cannot be added to the folder access list. Non-local users cannot be given rights on this server
  • You cannot make changes to the contents of this read-only folder
  • You don't have the appropriate permission to perform this operation
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Still need help? Go to the Office 365 Community
(http://community.office365.com/)
website.
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Properties

Article ID: 2807149 - Last Review: May 31, 2013 - Revision: 4.0
Applies to
  • Microsoft Office 365 for enterprises (pre-upgrade)
  • Microsoft Office 365 for education  (pre-upgrade)
  • Microsoft Exchange Online
Keywords: 
o365 o365a o365e o365m o365062011 o365022013 hybrid KB2807149
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