PowerShell scripts previously published on the TechNet Script Center:
Get-RandomUsername - https://gallery.technet.microsoft.com/scriptcenter/Get-RandomUsername-baa650fe
DFSR Backlog Automated Reporting - Server 2012 R2 - https://gallery.technet.microsoft.com/scriptcenter/DFSR-Backlog-Automated-a2e18d5b
DFSR Backlog Automated Reporting - Server 2012 - https://gallery.technet.microsoft.com/scriptcenter/DFSR-Backlog-Automated-9de92f73
DFS Namespace Integrity Checks - https://gallery.technet.microsoft.com/scriptcenter/DFS-Namespace-Integrity-a27f7698
DFSR PreExisting Folder Cleanup - https://gallery.technet.microsoft.com/scriptcenter/DFSR-PreExisting-Folder-0983e9cb
Backup Exec - Get Specific Server Backup Status - https://gallery.technet.microsoft.com/scriptcenter/Backup-Exec-Get-Specific-3ce0a44f
Function - Get-DriveInfo - https://gallery.technet.microsoft.com/scriptcenter/Function-Get-DriveInfo-ba2626ab
Get-UserSessions (Function to replace qwinsta for querying RDP Sessions) - https://gallery.technet.microsoft.com/scriptcenter/Get-UserSessions-Function-cec5d3b5
Function - New-RandomPassword - https://gallery.technet.microsoft.com/scriptcenter/Function-New-RandomPassword-3f3703ac
Check & disable SMB1 on Server 2008R2, 2012 & 2012 R2 - https://gallery.technet.microsoft.com/scriptcenter/Check-disable-SMB1-on-94948edd
Connect-SccmSite - https://gallery.technet.microsoft.com/scriptcenter/Connect-SccmSite-7978aeed