Two Hurdles in PowerShell Remoting: Double-Hop Authentication and the $using: Scope
Invoke-Command reaches the server but dies on the file share, and remote blocks can't see your variables. Both problems, both fixes.
Active Directory
50 PowerShell Tips for Windows Admins
50 field-tested PowerShell tips: console habits, remoting, AD one-liners, disk and network checks, and the performance gotchas that bite.
Manage Active Directory Without Logging On to a Domain Controller
Use an admin workstation, RSAT, PowerShell, Microsoft diagnostics, and Sysinternals AD Explorer to manage Active Directory without routine domain controller logons.
Fix 'Trust Relationship Failed' Between PC and Domain
Fix the Windows error The trust relationship between this workstation and the primary domain failed by checking DNS, repairing the secure channel, and rejoining the domain only when necessary.
PowerShell for Office and AD Deployment
PowerShell notes for Office deployment, Office activation firewall rules, Get-ADUser queries, and domain rejoin troubleshooting.