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Virtualbox COM Port Losing Connectivity With NCR 7167 and 7169 Printers when Using EPIC Edgeport Driver to Map USB to COM Ports (Doc ID 2910354.1)

Last updated on NOVEMBER 18, 2022

Applies to:

Oracle VM VirtualBox - Version 6.0 and later
Information in this document applies to any platform.


Customer is mapping a COM port in the VirtualBox GUI which connects their NCR 7167 printers and NCR 7169 printers to the Virtual Machine (Windows XP). They are using EPIC Edgeport driver to map USB ports to COM ports.  Intermittently, the printer is not being seen.


00:00:01.164997 VirtualBox VM 6.1.38 r153438 win.amd64 (Sep 1 2022 14:20:23) release log

00:00:03.811361 VMMDev: Guest Log: BIOS: VirtualBox 6.1.38^

00:00:18.773969 VMMDev: Guest Additions information report: Version 6.1.38 r153438 '6.1.38'

00:00:01.229932 Oracle VM VirtualBox Extension Pack (Version: 6.1.38 r153438; VRDE Module: VBoxVRDP)^


 Changing printer model from NCR 7167 to NCR 7169.


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