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The original was posted on /r/sysadmin by /u/Koen1997NL on 2024-01-23 15:16:49+00:00.
Hello,
My name is Koen and I am responsible for Microsoft 365 in my organization. I have the following problem.
We are using Windows laptops, with an Microsoft 365 installation. The mobile phones are all iPhones.
We are using the GAL for company-specific contacts. Our users can copy the GAL data to their personal address books, so they can keep a copy of it in their phone. But after a period of time, most of the contacts have been duplicated (multiple times).
So when you are getting a call from John Doe and he has multiple contact entries in your phone, it shows John Doe and xxx others. It also messes up Bluetooth vehicles of ours, because it cannot take so much contacts.
The contacts are added from the Microsoft 365 > Outlook app.
Does anyone know how I can solve this problem?
I already found this article: Duplicate Outlook contacts appear in iOS Contacts app - Exchange | Microsoft Learn but this only acknowledges the issue instead of offering a solution
Any kind of help will be very much appreciated!