Cannot Open Radius DCU (Buffalo)
When trying to open Radius application (MDI) or a Data Collection Unit (DCU) on a shop floor computer the following message appears:
msgOpen: unable to open message file: PROMSGS
This error occurs when the mapped are not being recognized by Windows. Check for red X's in file explorer and click to re-establish the connection or remap the drives:
T:\ (\\efi-app\radius)
V:\ (\\efi-app\radius)
Background:
Radius programs are actually Progress Database 4GL programs which are run by a windows shell program (ProWin32.exe) and are launched with command-line arguments containing letter drive paths to various initialization files (ini) such as:
C:\Progressx86\OpenEdge\bin\prowin32.exe -ini "V:\RadiusLive\runpecas.ini" -pf "V:\RadiusLive\runpecas.pf" -assemblies assemblies -p window\wstartupMDI.r
If the mapped drives (T: V:) are disconnected and not recognized by Windows the above launch will fail with the msgOpen error. Forcing Windows to "see" the drives will allow the application to run.
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