MatchSubdomains isn't usable for Set-AcceptedDomain in Exchange Server 2016

Applies to: Exchange Server 2016 Enterprise EditionExchange Server 2016 Standard Edition

Symptoms


When you run the Set-AcceptedDomain cmdlet to modify existing accepted domains in your organization in Microsoft Exchange Server 2016, you may find the MatchSubdomains parameter isn't available.

Cause


This issue occurs because the MatchSubdomains flag isn't enabled for Exchange Server 2016.

Resolution


For Exchange Server 2016, install Cumulative Update 9 or a later cumulative update for Exchange Server 2016.

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References


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