In this post we will discuss how to resolve an error which comes for SharePoint 2013 central administration.
Also you can check:
Below is the full error message:
HTTP Error 503 - Service is Unavailable
Error Message :
“Application pool 'SharePoint Central Administration v4' is being automatically disabled due to a series of failures in the process(es) serving that application pool.”
“The Module DLL 'C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\isapi\owssvr.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a x86 processor architecture. The data field contains the error number. To learn more about this issue, including how to troubleshooting this kind of processor architecture mismatch error, see http://go.microsoft.com/fwlink/?LinkId=29349.”
Goto IIS manager ->Application Pool,
click 'SharePoint Central Administration v4'
Right click Advanced settings,
and set "Enable 32-bit applications" to "False"