http://theitbros.com/config-active-directory-store-bitlocker-recovery-keys/

Which Domain Controller has authenticated me….

nltest /sc_query:DOMAINNAME

Which AD site is that Domain Controller in….

nltest /dsgetsite

https://blogs.technet.microsoft.com/filecab/2013/08/20/dfs-replication-in-windows-server-2012-r2-if-you-only-knew-the-power-of-the-dark-shell/

(Get-DfsrBacklog -GroupName "RG01" -FolderName "RF01" -SourceComputerName SRV02 -DestinationComputerName SRV01 -Verbose 4>&1).Message.Split(':')[2]

A nice description for recovering files from Shadow Copy using Robocopy.

https://chaoliu12.wordpress.com/2013/02/11/restore-files-from-shadow-copy/

For people who use the accessibility features, you can still get a free Windows 10 update.

https://www.microsoft.com/en-us/accessibility/windows