SQL Server 2008 R2 Express  co-existance with SQL Server 2005

Roger Alcindor
Roger Alcindor used Ask the Experts™
I am considering installing SQL Server 2008 R2 EXPRESS version on my laptop PC which currently has SQL Server 2005 already installed on it.
will this have any effect on SQL Server 2005 (can I continue to use it) and if I subsequently decide to un-install SQL Server 2008 R2 EXPRESS will that have any effect on SQL Server 2005 ?

I am nervous in case installing or removing SQL Server 2008 R" EXPRESS might cause the existing SQL Server 2005 to cease working in any way.

Please advise,

Thanks, Roger
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So far there is no issue installing both version but not recommended due dll conflicts, since you are installing the same on laptop and i assume you are performing a sort of test then i advise you use the visualization (vmware, oracle VM, MS VM). These remain better and you can also avoid conflict.


OK, not what I wanted to hear but saves me potential problems.
Thanks for your fast response,


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