Recently, I needed to use my lab and I forgot domain administrator password to Windows 2012 R2 Domain Controller. Fortunately I was able to recover it by doing following steps: Boot Windows 2012 R2 Domain Controller from Windows 2012 R2 ISO. Click Next. Click Repair your computer. Click Troubleshoot. Change directory to D:\Windows\system32 and run commands: copy Utilman.exe… Read More »
VMware has updated recently KB about migrating vCenter Server 4.x/5.0.x to a different host machine. The KB is available here. Recently I have done some vCenter 5.x migrations and there are below some additional tips. If you have some 3rd vCenter plugins (e.g. NetApp, HP) installed, you have to unregister it and later install again on a new… Read More »
As you can read here it is not possible to recover the root password on ESXi. Generally if you forget root password... you have to reinstall ESXi host. But the question is: is it always necessary? Fortunately NO! If your ESXi hosts are added to vCenter you can use Host Profiles (available in Enterprise + license) to change… Read More »
