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That's weird, because the memory is already set to the same in the GUI as is the Primary vDisk Bus. Its the same in the XML <memory unit='KiB'>6291456</memory> <currentMemory unit='KiB'>6291456</currentMemory> <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='writeback'/> <source file='/mnt/disks/VMs/domains/Windows 10/vdisk1.img'/> <target dev='hdc' bus='virtio'/> <boot order='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </disk>

K, got one fired up this time. I have also uploaded the video to my google drive - https://drive.google.com/file/d/1x4bY4DLWRgIbl_m2B5NUndsb1S5Vpssa/view?usp=sharing tower-diagnostics-20220326-1428.zip

Uploaded the diagnostics The VMs have been setup in multiple different way to test to see if it helps. CPU mode = Passthrough or emulated. Both give roughly the same level of performance. 2 / 4 / 6 CPS. Performance remains about the same regardless of cores. 2 / 4 / 6 / 8 Gig of Memory. Doesn't seem to make a difference. Machine = i440fx (multiple versions) and Q35 (Multiple versions). No difference. Bios = OVMF or SeaBIOS. No difference. No PCIe device are being passed through. In all honesty, I have a feeling the issue is not related to VMs. It seems to be an I/O issue, however I can only reliably create the problem 100% when using a VM. tower-diagnostics-20220326-0152.zip

Specs: Unraid: Unraid server Pro, version 6.9.2 Motherboard: ASUSTeK COMPUTER INC. RAMPAGE IV BLACK EDITION Version Rev 1.xx - CPU: Intel® Core™ i7-4930K CPU @ 3.40GHz HVM: Enabled IOMMU: Enabled Cache: L1-Cache = 32 kB (max. capacity 32 kB) L2-Cache = 256 kB (max. capacity 256 kB) L3-Cache = 12 MB (max. capacity 12 MB) Memory: 24 GB (max. installable capacity 96 GB) ChannelA_Dimm1 = 4 GB, 1600 MT/s ChannelB_Dimm1 = 4 GB, 1600 MT/s ChannelB_Dimm2 = 4 GB, 1600 MT/s ChannelC_Dimm1 = 4 GB, 1600 MT/s ChannelD_Dimm1 = 4 GB, 1600 MT/s ChannelD_Dimm2 = 4 GB, 1600 MT/s This has been frustrating me for a while now and I have had no luck figuring it out (reddit posts mainly) so I thought I would try my luck here. Every VM I create is insanely slow to the point that its unusable. Windows, Linux... doesn't matter. Virtualization is enabled in the BIOS, the vDisk is located on an SSD through Unassigned devices. What log files do I need to submit that might show where the problem is?

4gig. If I was to take a guess, it probably was a hanging process that was stopping the GUI from coming up as the shares where still accessible.

Mine was a 100% fresh install with no addons and using the stock GUI. I waited for about 5 hours before resetting as it still hadn't come right in that time. I was aware of this quirk before buying the license and although slightly inconvenient, it doesn't worry me as hardly ever happens. Just wanted to point out it does still happen in 5 final.

I get that on occasion as well. Hadn't had it and months then bought Pro License, did a fresh install of 5 final and then have the GUI stop responding. A quick reboot fixed it and haven't had the issue since (5 days so far). so yea, just f.y.i, what ever causes that, its still there in final.