The recurring appointment expansion in mailbox %1 has taken too long. Some recurring appointment instances may not be visible at this time. To ensure that the calendar view is correct, please refresh the calendar view in Microsoft Outlook Web Access.

Details
Product: Exchange
Event ID: 8263
Source: EXCDO
Version: 6.5.7596.0
Message: The recurring appointment expansion in mailbox %1 has taken too long. Some recurring appointment instances may not be visible at this time. To ensure that the calendar view is correct, please refresh the calendar view in Microsoft Outlook Web Access.
   
Explanation

This Warning event indicates that an e-mail client that accesses calendar data using Microsoft® Office Outlook® Web Access was unable to successfully display all calendar items for a specific calendar view. This error may occur if a user has many calendar items that meet the criteria of the specific calendar view.

   
User Action

No administrator action is required. The user specified in the event message can use the refresh command in their Internet browser to view the remaining calendar items that meet the criteria of a calendar view. After the user has refreshed the Web page that showed the incomplete list of calendar items, Outlook Web Access will try to display the remaining items that meet the criteria of a calendar view.

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