- Plesk for Windows
The website example.com is unavailable with the error message:
PLESK_INFO: HTTP Error 503. The service is unavailable.
Website application pool is stopped.
Connect to the Plesk server via RDP.
Open Windows PowerShell and find what application pool is used by the website with the command:
PS Get-Item "C:\Inetpub\vhosts\example.com" | Select-Object applicationPool
Start the application pool by opening Internet Information Services (IIS) Manager > Application pools > example.com(domain)(4.0)(pool) > Start.