Currently, on our production IIS web farm, we host about 15 applications in a single App Pool (Default App Pool). There are two websites and about 13 virtual directories.

A colleague has recommended that we change our IIS configuration so each application is a separate App Pool (with identical settings).

Is there any drawback or potential issues to doing this? Is it possible that ASP.NET applications could have been built with the requirements that they are all within the same App Pool?

asp.net iis application-pool
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