If you need to publish access .mdb or .mde files in Citrix environment, here's what you need to do.

Open the properties windows for the published application in Citrix Management Console.

Navigate to: Basic | Location

In the command line window enter the following:

"C:\Program Files\Microsoft Office\Office12\MSACCESS.EXE" "D:\path_to_application\appname.mde"

This path is valid if you're using Microsoft Office Access 2007. If you're using different version of Office, please change the path to your Access executable. 

Also, you should change the path of the published file location.

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