Outlook Calendar Shared Without Permission

I have Outlook 2010 installed on my computer, running on Windows 7 Professional (64-bit), and connected to an Exchange Server. I just arrived at this job three weeks ago, although I have been in the company (i.e., on the same Exchange server) for 15 years.

My secretary is using Outlook 2010 on Windows Vista, on the same Exchange server.

She informed me today that she right-clicked on "Calendars", then left-clicked on "Add Calendar/Open Shared Calendar" and typed in my e-mail address, and she has full access to my Exchange calendar.

I checked on my computer ("Share" tab, "Calendar Permissions", "Permissions" tab) and the only two names are "Default" and "(my name)". Going back to her computer, I could edit and delete appointments on my own calendar.

Because she does not appear in the list of those to whom I have shared my calendar, I cannot modify or revoke her permissions, and she has full authority over my appointments. This is rather distressing, to say the least.

I spoke with the IT person who takes care of the Exchange server, and she informed me that it was impossible. Given the fact that it is actually happening, she said she could not offer any advice, and that's where it ended. But that is unacceptable to me.

My questions are: how is this possible? How can it be fixed?

July 24th, 2015 8:52pm

Hi,

What permission did you set for the "Default" group? Please make sure it's not set to a high-level permission. If you set the "Default" group to a high-level permission (such as Editor), everyone in your organization will have permissions to edit your appointments. By default, the Default permission should be set to Free/Busy Time.

If above doesn't applies, please also try sharing your calendar to secretary again by right-clicking on your calendar and selecting Share > Share Calendar. After that, check if her name shows up under the Permissions tab by right-clicking your calendar and selecting Properties. If you can see her name, then we can modify or revoke her permissions from there.

Please let me know the result.

Regards,

Steve Fan
TechNet Community Support

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August 6th, 2015 10:26pm

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