Convert to 64-bit Version of Sage 100

Upgrade Sage 100 to 64-bit only if all computers run 64-bit Windows and no 32-bit versions remain.

Important information to review before upgrading

• Older 32-bit Sage 100 versions won’t work after you convert 2023 to 64-bit
• Workstations running 32-bit Windows can’t run Sage 100 after the 64-bit conversion
• Complete testing and create a backup before converting to 64-bit

Convert from 32-bit to 64-bit

 NOTE: These instructions are applicable to versions 2021 - 2025.  Version 2026 and higher will only be 64-bit. All versions before version 2021 are 32-bit only.  

1. On the computer with Sage 100 2023, open the folder where you saved the Sage 100 installation files.
    NOTE: Find 32_64_Bit_Switch_Utility.exe in the install folder used to set up Sage 100 on the server. This isn't in the current program location.
2. Double-click the 32_64_Bit_Switch_Utility.exe file.
3. Click Next and then enter the password for the Sage 100 Administrator account.
4. Click Convert.

Convert from 64-bit to 32-bit

1. On the computer with Sage 100 2023, open the folder where you saved the Sage 100 installation files.
    NOTE: Find 32_64_Bit_Switch_Utility.exe in the install folder used to set up Sage 100 on the server. This isn't in the current program location.
2. Double-click the 32_64_Bit_Switch_Utility.exe file.
3. Click Next and then enter the password for the Sage 100 Administrator account.
4. Click Convert.

 NOTE: Workstation Synchronization upgrades each workstation automatically the next time Sage 100 starts.

If running the Application Server as a service

Follow these steps to re-create the Windows Service after switching Sage 100 between 32-bit and 64-bit.

1. Use the Uninstall Sage 100 Application Server Service shortcut to remove the existing service. This can require a reboot.
2. Use the Sage 100 Application Server Service Setup shortcut to re-create the service.

Other changes related to running the conversion utility

• Converting Sage 100 between 32-bit and 64-bit changes the main program path
  • 32-bit: ..\mas90\home\pvxwin32.exe
  • 64-bit: ..\mas90\home\pvxwin64.exe
• Update any Firewall Inbound Rules or exclusions to match the new .exe path
  • See the article, configuring Windows Firewall for Sage 100 Advanced and Premium for details
• After conversion and program launch, Sage 100 runs REGCOM.BAT (32-bit) or REGCOM64.BAT (64-bit) from C:\ProgramData\Sage\Common Components\ to register DLLs
  • If DLL issues occur, manually run the correct batch file on the workstation