When trying to add a controller which had been evicted using an evict script and removed from the site, the controller comes up with the existing Site configuration and does not give an option to add it to the Site.

We can remove the cached file of Studio:

1.Close Studio
2.Delete the Studio cache file by searching for Studio* under %Userprofile%
3.Reopen Studio

The Studio should open up with the window where it would request the Controller to be added to the Existing Site.
 

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