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Limiting logins to a fix number

My company is building a client server app. The client connects to a server-based compoent that controls access to a database. We will be selling the app on the basis of customers buying licences for a fixed number of connections to the sever component. I have to work out the approach to take and how to implement this scenario (just the licensing requirement).

Could some one point me in the right direction to find a reasonably detailed discussion of the issues.
Is there a white paper on this?

I'll up the points if you are willing to provide the discussion yourself rather than just pointing me towards existing documentation.
Thanks.

checoo

one of the most common way to implement software liscense is by the use of a hardware security key called hasp. This is hardware device connected to the servers USB/COM port and your application can be configured to read the liscense information from this. Check out the following site --

http://www.ealaddin.com/hasp/default.asp

philjh

ASKER

Thanks for the response but this isn't a road we want to go down as we don't want our customers to be burdened.

I have read that the .net framework class libraries are full of out-of-the-box mechanisms for dealing with all kinds of licensing requirements, but i can't find any specific discussion of them. I also assume that my specific, per client license, scenario is a very common one.

checoo

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconlicensingcomponentscontrols.asp this might be helpful

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philjh

ASKER

Thanks.