SharePoint Calendar Connect to Outlook is not working. Events not synchronized

I came across this funny issue when my client is trying to download/synchronize SharePoint calendar events to his MS Outlook.

Connect to Outlook Ribbon Button

The calendar instance is added successfully into his Outlook. However, all the events are not populated and the following message shown in the outlook status bar.

Outlook Send/Receive Error


Execute the following script via SharePoint Powershell. Kindly change the calendarName to your calendar name.

[sourcecode language=”powershell”]

#Here we go.

$web = Get-SPWeb http://yoursite

$calendarName = "My Calendar"

$calendar = $web.Lists[$calendarName];

$calendar.ExcludeFromOfflineClient = 0;



This script simply enable the calendar to be available for offline client download.

Optionally, you can go to your Calendar’s List Setting > Advanced Setting and turn “Offline Client Availability ” on.

Offline Client Availability

Go back to your Outlook, Hit “Shift” + F9 to refresh the calendar.


SharePoint Calendar on MS Outlook

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