Get-CalendarDiagnosticLog is proxied for queries within the same forest in Exchange Server 2019 and 2016 Content provided by Microsoft Applies to: Exchange Server 2019Exchange Server 2016 Select Product Version All Products Symptoms The Get-CalendarDiagnosticLog cmdlet gets proxied without checking if the destination is on a local forest or resource forest in Microsoft Exchange Server 2019 or Exchange Server 2016. Resolution To fix this issue, install one of the following updates:For Exchange Server 2019, install the Cumulative Update 4 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019.For Exchange Server 2016, install the Cumulative Update 15 for Exchange Server 2016 or a later cumulative update for Exchange Server 2016. References Learn about the terminology that Microsoft uses to describe software updates. Last Updated: 17 Dec 2019 Was this information helpful? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.