"Unable to find specified web in the given URL" when you use a calendar overlay

Problem

Consider the following scenario:

  • You browse to a Microsoft SharePoint Online calendar.

  • You click the CALENDAR tab and then click Calendars Overlay.

  • On the Calendar Overlay Settings page, you click New Calendar.

  • You enter the URL of a SharePoint Online calendar in the Web URL field.

  • You click Resolve.

In this scenario, you receive the following error message:

Unable to find specified web in the given URL.

Solution

This issue occurs because calendar overlays from one SharePoint Online site collection to another aren't supported.

More information

Still need help? Go to Microsoft Community.