All sites - HTTP Error 503. The service is unavailable.

[bartabc]

Hello,

All my sites have this message:

Service Unavailable

HTTP Error 503. The service is unavailable.

This happen after my disk take a 100% full, i'm already clean the temporary files and now i have 200GB of free size on hd, restart all plesk services and still have this error,

Why ?

How to fix ?

Thank you,

 

[IgorG]

Check IIS logs - http://kb.parallels.com/en/111289

 

[DanielFHST]

Hi,

The same ocourred to me. How did you fixed it?

Thanks

 

[aashua]

Try to Restart Server

I sorted it this today morning and some time plesk management won't start so basic solution is reboot the the server via RDP.

 

[Sourav Kombsh]

Reason 1:The HTTP Error 503. The service is unavailable error occurs if the Application Pool of the corresponding Wep Application is Stopped or Disabled or Paused.

Reason 2: The given user Identity of Application Pool may be invalid due to expired password or locked

See this article for perfect fix: http://www.morgantechspace.com/2013/12/HTTP-Error-503-The-service-is-unavailable.html