Export-ModernPublicFolderStatistics.ps1 is not working in 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:

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;
}