What Is This Issue?
> This is a common issue which happens to the websites hosted on IIS.
> This occur when the application pool of the hosted website may be stopped.
> The error message will be shown as in below figure if the
application pool is down.
How To Resolve This Issue?....
> On Run Command Window, type
inetmgr to open IIS and Select your website.
>
Right Click on the Website --> Manage WebSite --> Advanced Settings.
> A new windows will be opened where you can find the settings for that website.
> On the
General Section, note down the name of
Application Pool.
> Now on the
left panel of the IIS, click on the
Application Pools Node at the top.
> Select the earlier got Application Pool from the
Features View.
> You can see the application pool is
stopped now.
> On the right
Action panel, click on the
start link for starting the application pool.
> This would definitely resolve the issue
> Else please refer the following link.
>
HTTP Error 503. The service is unavailable - Solution 2
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