Export-ModernPublicFolderStatistics.ps1 is not working in Exchange Server 2019

Applies to: Exchange Server 2019

Symptoms


The Export-ModernPublicFolderStatistics.ps1 script doesn’t work in Microsoft Exchange Server 2019, and you receive an error message that resembles the following:
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Resolution


To fix this issue, install the Cumulative Update 5 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019.​

References


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

Workaround


To work around this issue, update the script with below changes:
         $script:Exchange16MajorVersion = 15;
         $script:Exchange16MinorVersion = 1;
         $script:Exchange16CUBuild = 669;
         $script:Exchange17MajorVersion = 15;
         $script:Exchange17MinorVersion = 2;
         $script:Exchange17CUBuild = 196;

And
         $hasMinE16Version = (($version.Major -eq $script:Exchange16MajorVersion) -and
                     ($version.Minor -eq $script:Exchange16MinorVersion) -and
                     ($version.Build -ge $script:Exchange16CUBuild));
         $hasMinE17Version = (($version.Major -eq $script:Exchange17MajorVersion) -and
                     ($version.Minor -eq $script:Exchange17MinorVersion) -and
                     ($version.Build -ge $script:Exchange17CUBuild));
if (!$hasMinE15Version -and !$hasMinE16Version -and !$hasMinE17Version)
{
$failedServers += $server.Fqdn;
}