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Posted on 2008-10-19
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I am upgrading Etabs 9.20 to 9.50. Some of the users are suggesting to keep the old version as well and their recommendation is below.

There is no reason that an alternate directory could not be made to separate the installations.  Additionally, if version 9.5.0 is just a partial update, not a full installation, simply copy the 9.2.x directory, rename it, and install 9.5.0 over the top of that directory.  Perhaps even call it ETABS 9_5_0 rather than the default ETABS 9 directory name under the Computers and Structures directory, then just point it to the appropriate license file.

We deploy our application using SMS but do you think this is a good practice to do what these users are telling us. I know if we just keep the default setting the Etabs 9.5 uninstalls the old version first and reinstalls the new one.

Thanks for the advice.
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Question by:Zak
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matrixnz earned 2000 total points
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If the following is true " know if we just keep the default setting the Etabs 9.5 uninstalls the old version first and reinstalls the new one." than you cannot just create a copy of the directory and simply update it.  The reason being is the registry settings from the initial install will still see the source as C:\Program...\Etabs 9.2\ not the new directory, most standard updates will check for a previous installation prior to installing in registry and sometimes file checking.  There are applications around that allow more than one installation for example Java installs to different directories, usually for legacy applications that require older versions.

Normally in a scenario you describe depending if data is being saved into the 9.2 directory I would back this directory up prior to updating, that way you can ensure there is no data loss, however if the application doesn't save any data to this directory than I'd suggest updating over the top.  Normally of course you should have had a small number of users trial the software first for quality assurance purposes.. but once completed in my opinion all staff should upgrade to the latest version, otherwise it can be a nightmare administrating the application because older versions are unable to open newer versions etc..

Hope that made sense.

Cheers
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