I have a system with a SQL Server 2012 Developer edition installed.

Can I install SQL Server 2014 (6 months trial) and SQL Server 2012 on the same system?

I do not want to overwrite the pre-existing SQL Server 2012

migrated from stackoverflow.com Aug 26 '14 at 12:00

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Yes you can! Your first SQL Sever (2012) will most likely be the default instance, any subsequent installation of SQL Server (any version) must be a named instance. As long as your machine has the resources, you can install multiple instances of SQL Server.

  • If you have multiple instances, you may want to set each instance's maximum allowed memory, so they don't compete for resources. – Daniel Hutmacher Aug 26 '14 at 13:09

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