just as a reference for meself or usefull for some people alot of good scripts out there. Get-MailboxStatistics -Database "Mailbox Database XXXXXXXXXXXXX" | Select DisplayName, ItemCount, TotalItemSize | Sort-Object TotalItemSize -Descending | Export-CSV C:\MailboxSizes.csv
I found another great article to lock down your windows 2012/R2 RDS server so many thanks to http://www.it.ltsoy.com/ Lock Down Remote Desktop Services Server 2012 / RDS 2012 R2
having trouble configuring license mode on RDS 2012 server? here is a good article that helps me everytime im installing RDS servers So thank you Matt Fusaro http://www.tbngconsulting.com/blog/bid/404182/Licensing-mode-for-the-Remote-Desktop-Session-Host-is-not-configured update: 21-08-2018 In case you get the following Exception calling "SetSpecifiedLicenseServerList" : "Invalid operation " Make sure that you start powershell as administrator. Since that didnt work either for me i found a registry key for it HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services Works on Windows 2012R2 and Windows 2016 servers