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Ticket Resolution Summary Owner Reporter
#20034 fixed CMPXCHG16B is not provided to Windows Server 2019 guests fth0
Description

The hack in ConsoleImpl2.cpp?rev=86506#L936 obviously cannot work for "Windows 2019 (64-bit)" as "Guest OS Version". The Windows Server 2019 installer runs up to an INT3, leading to a Guru Meditation (see forum topic VMs crash when VM OS Version set to Window 2019 for a VBox.log file if necessary).

#7411 fixed COM Port not visible in Guest machine. => Fixed in SVN sebbie
Description

The configured serial ports (COM Ports) do not function in the guest virtual machine

I configured my guest machine (running Windows XP) to use two serial ports (COM ports). Both COM ports are available on the host (Windows XP). But the COM ports do not run on the guest virtual machine. Why?
1: A look at Device Manager within the guest system shows NO COM Port available.
2: A test within the guest with an utility that requires these ports fail as if these ports were not there at all.
Even if I attach only one instead of two COM Port from the Host device, it still does not work.
What could be the cause of this? I will appreciate a fix of this bug.

#6421 invalid COM Ports above 9 are not supported Joerg Mahmens
Description

Using a Virtual COM Port on Windows XP Host by COM2USB Adapter which creates a COM10 Port. This COM10 is not usable as Hostport. Using an other USB Port which creates a COM9 is usable.

The following Message is created:
Failed to open host device 'COM10'
(VERR_FILE_NOT_FOUND).
Details:
Fehlercode: E_FAIL (0x80004005)
Komponente: Console
Interface: IConsole {6375231a-c17c-464b-92cb-ae9e128d71c3}

ps: No Copy possible in Errorbox. Avialable yes, but no Content.

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