ERROR: Cannot copy the items. Changes made to the item were lost due to a reconnect with the server (Network Steve Forum)

ERROR: Cannot copy the items. Changes made to the item were lost due to a reconnect with the server

With a Office 365 subscription, we have encountered this error message when trying to move items from one shared mailbox to another. The user has full access permission and is using Outlook 2010 client.

What could be causing this problem?

August 28th, 2015 5:24am

Hi,

Based on my knowledge, this error often occurs when Outlook is in Exchange Online Mode.

Is the user using Outlook in Cached Exchange Mode or Online Mode? For most scenarios it is recommended to use Outlook in Cached Exchange Mode to keep a good performance.

By the way, if you just copy an item from a shared mailbox to your own mailbox, or copy an item from your mailbox to a shared mailbox, does the error message occur?

Regards,

Melon Chen
TechNet Community Su

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August 31st, 2015 3:34am

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