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Difference between System DSN and User SDN

System DSN
System DSNs work for anyone using that system. For example, no matter who logs onto the machine, system DSNs can be seen by all users, and they are stored in the Local Machine section of the Registry.

User DSN
User DSNs work only for a specific user on a machine. Therefore, if someone other than the person who created the user DSN logs onto that machine, then the User DSN will not show up. This DSN is stored in the Current User section of the Registry.

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  1. Database (Oracle) Connection with QTP | AutomationDioxide linked to this post on May 8, 2010

    [...] DSN( Data Source Name) .The DSN may be User DSN or System DSN as per your requirement. Check the difference between User DSN and System DSN . In my example I used System [...]



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