Delphi program connection compiled for Win64 with Firebird 64

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I have an app written in Delphi (XE3) using IBX, that compiles in 32 and 64 bits. Running in windows 10 64 bits the program in 32 connects normally, but the 64 has the connection rejected by firebird.

"CONNECTION REJECTED BY REMOTE INTERFACE"

I installed the dlls firebird as gds32 in the system32 and the 32-bit version on syswow64. In fact the dll generated by the installation of firebird which is in the folder WOW64 of the installation of Firebird 2.5.8.

I unlocked port 3050 in Firewall and the 2 executables as well.

I don’t know what to do.

Someone can give me a light.

Grateful.

P.S. Windows 10 pro is in the latest version 1803.

delphi

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Fortunately I discovered that the dll used by Delphi in the Tibdatabase component changes to Ibclient64.dll instead of GDS32.dll, when compiled to Win64,. renamed the dll from Firebird Fbclient.dll to Ibclient64.dll and the problem was solved.

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