Get-RDMSession is not returning my sessions consistently on Windows 2016 server

running on RDM ver: 12.5.4.0
using remote SQL 2014 database
using AD credential to connect to SQL database
AD credential has Administrator permissions

PowerShell version on Windows 2016

Major Minor Build Revision
----- ----- ----- --------
5 1 14393 1066




same code seems to be working consistently on Windows 8.1
PowerShell version on Windows 8.1

Major Minor Build Revision
----- ----- ----- --------
5 0 10586 117







$datasource = $null;
$msgstr = $null;
$securesvcpass = $null;

#Get the data source to use
Write-MOXLog ("[Line# " + (Get-MOXCurrentLineNumber) + "] Get-RDMDataSource -Name $remoteDataSourceName");
try { $datasource = Get-RDMDataSource -Name $remoteDataSourceName -ErrorAction Stop }
catch { $msgstr = "Error: Failed to get datasource $remoteDataSourceName -> $($_.Exception.Messagee)" Write-MOXLog ("[Line# " + (Get-MOXCurrentLineNumber) + "] $msgstr"); $issueFound = $true }


#set the retrieved datasource as the current datasource
if ($issueFound -eq $false)
{
Write-MOXLog ("[Line# " + (Get-MOXCurrentLineNumber) + "] ConvertTo-SecureString");
try { $securesvcpass = ConvertTo-SecureString $($cred.svcpwd) -asplaintext -force -ErrorAction Stop }
catch { $msgstr = "Error: Failed ConvertTo-SecureString -> $($_.Exception.Messagee)" Write-MOXLog ("[Line# " + (Get-MOXCurrentLineNumber) + "] $msgstr"); $issueFound = $true }

Write-MOXLog ("[Line# " + (Get-MOXCurrentLineNumber) + "] Set-RDMCurrentDataSource -ID $($datasource.ID) -Username $($cred.svcacct) -Password `$securesvcpass");
try { Set-RDMCurrentDataSource -ID $datasource.ID -Username $($cred.svcacct) -Password $securesvcpass -ErrorAction Stop }
catch { $msgstr = "Error: Failed Set-RDMCurrentDataSource -> $($_.Exception.Messagee)" Write-MOXLog ("[Line# " + (Get-MOXCurrentLineNumber) + "] $msgstr"); $issueFound = $true }
}




Get-RDMCurrentDataSource
$Lists = Get-RDMSession -IncludeSubFolders
$Lists.count