HTTP Error 503 and Was Event 5189 on Windows Computer [FIX]
18HTTP Error 503 and Was Event 5189 on Windows Computer [FIX]
Command Used:
net stop WAS /y
rmdir /s /q C:\inetpub\temp\appPools
net start W3SVC
If you have a computer that is running Windows 10 or Windows Server 2016 that has Internet Information Services (IIS) enabled, and you upgrade to a newer version of Windows 11/10 or Windows Server, then some web applications may not start, but instead, they may throw up the following error message:
Service Unavailable
HTTP Error 503. The service is unavailable.
Moreover, if you see the Event Log, you will see the following message:
WAS event 5189: The Windows Process Activation Service failed to generate an application pool config file for application pool ‘DefaultAppPool’. The error type is ‘0’. To resolve this issue, please ensure that the applicationhost.config file is correct and recommit the last configuration changes made. The data field contains the error number.
Issues addressed in this tutorial:
HTTP error 503 ecp
HTTP error 503 exchange
HTTP error 503 localhost
what is error HTTP error 503
what is HTTP error 503 mean
what is HTTP error 503 service unavailable
what does HTTP 503 error mean
citrix HTTP error 503. the service is unavailable
When a server cannot handle the request made by a user, it displays an HTTP status code error: HTTP Error 503. The error itself indicates, the server is down either for maintenance or is currently overloaded. So, upon trying to connect to Outlook Web Access or any similar web applications, if the site fails to load, and you see the error message, follow the instructions in the post to HTTP Error 503, The service is unavailable error.
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.