HTTP Error 503. The service is unavailable. after deploying a SharePoint solution

Well this one threw me off, for a few minutes.


I deployed a custom .wsp solution.

Normal…local deployment, not a GAC deployment…

stsadm.exe –o addsolution –filename CustomSolutionFile.wsp

stsadm.exe –o deploysolutions –name CustomSolutionFile.wsp –local –url http://WebApplicationName


IISreset /noforce

Then the web application browser gave me the following error:

HTTP Error 503. The service is unavailable.

It seems every time I deploy this custom solution (I did not write it), I get this error because the Application Pool to the Web Application I deployed it to is not starting back up. So far all I have had to do it start the application pool and all is well.

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