Symptoms

In a Microsoft Exchange Server 2019 or Exchange Server 2016 environment, when a user searches for contacts by using the Microsoft Skype for Business on Mac client, the FindPeople request fails and an "Invalid Shape Specification" error occurs.

Cause

The persona:BusinessPhoneNumbers and persona:MobilePhones properties aren't in the SupportedRequestProperties collection.

Resolution

To fix this issue, install one of the following updates:

References

Learn about the  terminology that Microsoft uses to describe software updates.

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