Hi all, I would like to use VirtualBox-6.1.18-142142-Win.exe on a Windows Server 2019 to host some few VMs. The important thing of course is that those VMs need to run automatically besides any interactive user login AND I would like to manage those (running) VMs using the by default installed GUI.
Am using VB on various Ubuntus to run headless VMs already maintained by phpVirtualBox and while it works in general, it runs into problems regarding the web service of VB pretty often and stuff like that.As Windows provides a GUI already, I hoped that using the native VB-GUI would work a bit smoother overall. Additionally I would like to avoid using the extension pack of VB because from my knowledge it can't be used in a commercial scenario and I would like to avoid maintaining RD-ports per VM and stuff like that. So what I did was creating a default new user account on the server to maintain and run VMs only. The VMs are started using the following command line and task scheduler witht he correct credentials of the user etc. after server startup and run successfully this way: > VBoxManage startvm "[...]" --type headless After shutting VMs down, I can reliably maintain those interactively using the same user as well, start them, even detached/headless etc. The problem is with running VMs: While at first the GUI is able to manage VMs started headless by the task scheduler as well, show the console output, shut them off etc., this simply fails after some time. Things are simply kept running, the GUI is started with the same credentials like before and used by the task scheduler, but at some point communication fails with the following error: > Callee RC: REGDB_E_READREGDB (0x80040150) https://ibb.co/p2jHyVX Afterwards the GUI starts, but is unable to show some properties of the VM, can't display the console output anymore, pause or power it off etc. https://ibb.co/wQD4J14 https://ibb.co/NCxNdTk That problem is additionally not restricted to the GUI, but the shell doesn't work anymore as well: > C:\Program Files\Oracle\VirtualBox>vboxmanage controlvm tepu-ux poweroff > VBoxManage.exe: error: Code REGDB_E_READREGDB (0x80040150) - Could not read > key from registry (extended info not available) > VBoxManage.exe: error: Context: "LockMachine(a->session, LockType_Shared)" at > line 388 of file VBoxManageControlVM.cpp After restarting the "VirtualBox system service" aka "VBoxSDS", the error message printed by the GUI is gone and the properties of the VM are shown again, but it doesn't recognize that the VM is running anymore. The shell won't work as well: > C:\Program Files\Oracle\VirtualBox>vboxmanage controlvm tepu-ux pause > VBoxManage.exe: error: Code E_FAIL (0x80004005) - Unspecified error (extended > info not available) > VBoxManage.exe: error: Context: "LockMachine(a->session, LockType_Shared)" at > line 388 of file VBoxManageControlVM.cpp So, is the GUI of Virtual Box at all designed to manage headless executed VMs this way? Are there any special requirements the executing user needs to fulfill in this setup? I don't seem to have any permission related problems and when using the built-in admin of Windows in task scheduler and GUI, I had the same problem that it suddenly stops working. Is there any way to make the GUI get to know the real state of the executed VMs after restarting the service? Processes etc. are still there, it's only that the GUI doesn't seem to know. Any other idea about the underlying root cause, especially what REGDB_E_READREGDB might mean in this context? According to MS it means "Could not read key from registry", but which key etc.? I monitored using Process Monitor and didn't find anything obvious, there are always optional registry keys checked in some background code. Thanks! Mit freundlichen Grüßen Thorsten Schöning -- AM-SoFT IT-Service - Bitstore Hameln GmbH i.G. Mitglied der Bitstore Gruppe - Ihr Full-Service-Dienstleister für IT und TK E-Mail: thorsten.schoen...@am-soft.de Web: http://www.AM-SoFT.de/ Tel: 05151- 9468- 0 Tel: 05151- 9468-55 Fax: 05151- 9468-88 Mobil: 0178-8 9468-04 AM-SoFT IT-Service - Bitstore Hameln GmbH i.G., Brandenburger Str. 7c, 31789 Hameln AG Hannover HRB neu - Geschäftsführer: Janine Galonska Für Rückfragen stehe ich Ihnen sehr gerne zur Verfügung. Mit freundlichen Grüßen Thorsten Schöning Tel: 05151 9468 0 Fax: 05151 9468 88 Mobil: Webseite: https://www.am-soft.de AM-Soft IT-Service - Bitstore Hameln GmbH i.G. ist ein Mitglied der Bitstore Gruppe - Ihr Full-Service-Dienstleister für IT und TK AM-Soft IT-Service - Bitstore Hameln GmbH i.G. 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