0x000003eb Windows cannot connect to the printer.

Hello,

This is not a generic Point and Print issue. It is a binary compatibility problem.

PS5UI.DLL from Windows Server 2025 January and February 2026 cumulative updates is compiled against a newer print stack and runtime than what exists on Server 2016 and 2019. When the client pulls the driver package from \server\print$, the newer PS5UI.DLL replaces the local copy and then fails to load with 0x8007007F, which is ERROR_PROC_NOT_FOUND. That indicates a missing exported function in the older spooler or dependent DLLs.

Error 800702e4 during driver import is secondary. The driver fails signature and load validation because the UI module cannot be initialised.

Why it works with the RTM ISO version:

The original 2025 PS5UI.DLL matches the older print subsystem ABI. The post January cumulative update version introduces a dependency that 2016 and 2019 do not provide.

This is expected behaviour across major OS generations. Print drivers are not guaranteed to be backward compatible at the binary level when shared from a newer OS.

Correct approach:

Do not share Type 3 drivers from Server 2025 to 2016 or 2019.

Instead:

Install the Xerox Global Print Driver PS locally on 2016 and 2019 using the vendor package.

Or

Host the print queue on Server 2022 and use that as the common print server for down level systems.

Or

Use Type 4 drivers where supported, which are designed for cross version isolation.

Replacing PS5UI.DLL manually is not supported and will be reverted by servicing.

Conclusion:

This is not a configuration issue on 2016 or 2019. It is a print driver and cumulative update compatibility boundary between Server 2025 and older print stacks.