Category: VMware
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Negative number of days in ESXi host license expiry warning
We were handed over a set of ESXis which were outdated and out of support. First thing first, after checking the compatibility I asked my colleagues to upgrade them from v6 to v7. I assigned their upgraded v7 license key. All went fine. We were back from our vacation and…
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Fixing NoMatchError during manual vib remove with esxcli
I recently tried to upgrade an ESXi that was installed with a vendor provided ISO from version 6.7 to 7 with Lifecycle Manager in vCenter. I got the following error: The upgrade has VIBs that are missing dependencies: … Remove the VIBs or use Image Builder to create a custom…
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PowerCLI and configstore in ESXi 7.0 U1+
I recently got aware of a new vSphere component called configstore initially introduced in ESXi 7.0 Update 1, unfortunately because of an unexpected behavior (bug?). There isn’t much info on configstore yet, except this blogpost and the links mentioned in it. I configured the standard vSwitches and the port groups…
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VMware vCenter proxy access issues and fixes
Finally, I had managed to find my way through the bureaucracy of security policies and to connect our latest v7 vCenter to the proxy. I was able to get the latest updates from VMware official repositories. It went well for some time. Then I realized the connectivity was somehow broken…
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Windows 10 1903 update vs VMware Workstation 12+
Windows 10 build version 1903 (19H1) comes with a Sandbox feature which relies on Hyper-V technology. If you have already installed VMware Workstation version 12 and above before the Windows 10 1903 update, the system gives an error about installing the latest updates and offer you to remove it to…
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VMware HA warnings on VMs with 3D Graphics and VMware Tools upgrades
Recently I’ve been busy with the upgrade of my vSphere 6.0U2 environment to 6.5U1. During and after the upgrade some of the VMs started getting rebooted by VMware HA. VMs were unresponsive at that stage and vSphere logged “OS crash” due to VMware Tools heartbeat loss. VMware HA VM monitoring…
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VMware vCenter Server 6 installation low memory workaround
I was installing VMware vCenter Server 6 Update 2 with Embedded Platform Services Controller on a Windows lab server with 8GB RAM. I got the following error: VMware vCenter Server detected 8160MB of memory. 8176MB of memory is required for the selected deployment type. You can easily skip this error…
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HP Smart Array B140i SATA RAID controller OS boot problem
Recently I installed VMware ESXi on a HP DL160 Gen9 server and couldn’t boot afterwards. After a short investigation I found out that the default configuration of the controller prevents booting. The controller should be configured and enabled to support SATA AHCI mode. Actually it is necessary to configure it…
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Installing VMware ESXi on IBM Lenovo x240 M5 with SD Media Adapter and SD Cards
Last week I installed VMware ESXi 6.0U1B on some (formerly IBM) Lenovo x240 M5 Compute Nodes in Flex System Chassis. The case was special because the nodes contain only SD cards and SD Media Adapters instead of SAS hard drives and standard RAID controllers. There are no interface other than…
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Converting Thin Provisioned Disks to Lazy Zeroed Thick in VMware vSphere
Lately I’ve dealt with a problem about thin-provisioned disks in my vSphere environment. Although there is the feature in VMware, I choose to leave thin provisioning to back-end, to storage administrators. The usage may go beyond your control in short time and you may not be able to receive disk…
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