delphi - Which midas.dll to use? 32bit datasnap/64bit server -


considering following: have 32 bit datasnap server installed on 64 bit windows server

in embarcadero\rad studio\11.00\redist 2 folders : 32 bit , 64 bit, in each midas.dll.

wich file should put where?

in windows\system32 or windows\syswow64 ?

never put in windows system directories (unless have very, very, reason write there).

it's bad practice (dating windows 3.x times , poor developers skills, because dirs in search path) leading troubles (i.e. if application chnages dll own little or no checks). put dll in application folder. ensure application uses correct version of dll. or if have write elsewhere very, very, reason use 1 of techniques add directory search path or redirect dll loading.

windows system directories must regarded operating system private ones. kind of practices windows doesn't forbids enough makes windows slow , unstable system.

if you're application 32 bit, need 32 bit dll regarless of operating system.


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