Hi,

We have a web application developed using ASP .NET that uses forms
authentication.We want to prevent users from logging in more than once from
either another system or in another instance of the browser.Has anyone
implemented this and is there any document which details the best way to
implement it.We did evaluate a way of implementing this either using
session_onend or using cache but we want to know the best and efficient way
of implementing this.

--
Regards
Karthik

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