To view an Exchange calendar in SharePoint, you can overlay the exchange calendar onto a dummy SharePoint calendar.

1. First create a blank calendar in SharePoint with a recognizable name.
2. Select the calendar and choose “Calendars Overlay” in the Calendar tab. Then, click on “New Calendar”.
3. Type a name for the calendar.
4. Then select Exchange for Type of Calendar.
5. Enter the URL for the exchange server and click on “Resolve”.
6. Choose the correct List and check the box saying Always Show. Then click OK.
7. Click Ok again on the next screen and your calendar will appear.