Site Maintenance Mode

Create A fieĀ “app_offline.htm” in the root of the site, where hosted.

“app_offline.htm” file size should beĀ larger than 512.

It is use as default page of site.

It allows you to modify/remove the locks from those files and replace them, without the need to do a full IISRESET,

When we publish site through Visual Studio, it use [Users][LoginUser]AppDataRoamingMicrosoftVisualStudio12.0app_offline.htm.

Error : 503 – site under maintenance.

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