Simple definition
Windows service allowing the management of the Service via Windows Remote Management.
Technical definition
WinRM implements the WS-Mt and is used in particular by PowerShell Remote sensing on ports 5985 or 5986.
What is it used for ?
Manage remote posts and servers in a scriptable manner.
Practical example
Enter-PSSession can log in PowerShell Resume when WinRM is properly configured.
Common issues
- Firewall blocking 5985/5986
- TrustedHosts misused
- HTTPS WinRM without an adapted certificate
Related terms
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.