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HighMemFix & FSX Compatability

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Hello,I'm running FSX on Win7x64. On bojotes original "BP=0 tweak", it was suggested to run the fsx.exe in vista sp2 compatibility mode. Is this still necessary with the new HighMemFix=1 tweak ?kind regardsHarry

- Harry 

9800x3D (Strix x870e-E)  -  64GB RAM (DDR5 6000, CL 30)  -  RTX 5090, 34'' 1440p OLED HDR  -  Windows 11 Pro (1TB M.2)  -  MSFS 2024 (MS Store, 4TB M.2).

Hello,I'm running FSX on Win7x64. On bojotes original "BP=0 tweak", it was suggested to run the fsx.exe in vista sp2 compatibility mode. Is this still necessary with the new HighMemFix=1 tweak ?kind regardsHarry
I don't believe it's necessary, but I do use the 'Vista' only Compatibility mode (not with Vista SP1 or SP2).
  • Author
I don't believe it's necessary, but I do use the 'Vista' only Compatibility mode (not with Vista SP1 or SP2).
Thanks,I personally did not see any differences. But meanwhile, I read in a PMDG thread (about disappearing textures) that the compatibility should be set to vista as you suggested.Harry

- Harry 

9800x3D (Strix x870e-E)  -  64GB RAM (DDR5 6000, CL 30)  -  RTX 5090, 34'' 1440p OLED HDR  -  Windows 11 Pro (1TB M.2)  -  MSFS 2024 (MS Store, 4TB M.2).

Thanks,I personally did not see any differences. But meanwhile, I read in a PMDG thread (about disappearing textures) that the compatibility should be set to vista as you suggested.Harry
You don't 'have to' however, I've noticed that using the Vista compatibility mode allows you to stress the sim even more! so, if for some reason, you see that using ENBSeries is causing some problems, then using the Vista compatibility mode will definitely help you, so I don't recommend you use it UNLESS you experience problems (d3d9.dll crashes)There is a problem with the vista compatibility mode. If you use FSDT sceneries, you'll notice buildings will not show up unless you are VERY close to them, this is probably due to some LOD/WDDM/Add-on manager BGL hacking going on.

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