Author Archives: krylon

ESXi (in this case version 6.7.0) can appear to hang / freeze during the boot up sequence at the following step:dma_mapper_iommu loaded successfully However the system is otherwise fully responsive (e.g., via vSphere). The root cause was that the video … Continue reading →

When trying to update/upgrade ESXi 6.7.0 Update 1 to Update 2 (via software profile update command) you may run into the following error: [InstallationError] [Errno 28] No space left on device vibs = VMware_locker_tools-light_10.3.5.10430147-12986307 Please refer to the log file for … Continue reading →

When trying to update/upgrade ESXi 6.7 (via software profile update command) you may run into the following error message: [OSError][Errno 28] No space left on devicePlease refer to the log file for more details. The solution is to set the … Continue reading →

New install of Windows Server 2016 (build 14393.447 from ISO SW_DVD9_Win_Svr_STD_Core_and_DataCtr_Core_2016_64Bit_English_-3_MLF_X21-30350 with no updates) had an issue where Windows Updates would hang / freeze indefinitely at 0% progress.  When Windows Update ran it would briefly flash a list of updates that … Continue reading →

Attempting to activate / convert an evaluation copy of Windows Server 2016 (specific build 14393.rs1_release.161220-1747) to the full version using a valid retail key, resulted in the following error: This edition cannot be upgraded. A solution is to perform the … Continue reading →

Brand new install of Windows 2016 Server Evaluation without any updates installed, specific build 14393.rs1_release.161220-1747 (also 14393.447)  Attempting to remote desktop to the server from a Windows 10 client resulted in an error: An authentication error has occurred. The function … Continue reading →

QuickCam 4000 shows up as “Unknown device” in Windows 7 Device Manager (USB\VID_046D&PID_08B2) Download the 64-bit driver from Logitech ftp://ftp.logitech.com/pub/techsupport/quickcam/qc1051enu_x64.exe Unpack this .exe file to a folder using 7zip, WinRAR, etc. In Device Manager right click the device, update driver, … Continue reading →

Group Policy options will let you disable the button for error reporting to Microsoft (Check online for a solution and close the program) but there is no option in Group Policy to disable the debugging button. To disable the “Debug … Continue reading →

Strange issue with Windows Update occurred. In this case Windows Server 2012 R2 was trying to install 2 updates for Office 2010 but was failing. KB4461579 failed with Code 780KB2553332 failed with Code 780 First it turned out that a … Continue reading →

Background information:  swapped out a CPU during an upgrade (old CPU DDR3-1333, new CPU DDR3-1600). After that the system was booted using an Ubuntu Live CD without any obvious problems, but ESXi installer was crashing with Pink Screen of Death … Continue reading →