Category Archive: ESXi

Feb 16 2016

ESXi host disconnected from vCenter Server & the ESXi localcli command

Today i experienced an ESXi host, version 6.0 U1a, being disconnected from vCenter Server. I did try to connect direct to the ESXI host using the ESXi host embedded client, the vSphere Client and SSH without any success. The last attempt was to use the IPMI connection and that screen showed me the following: That is …

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Jan 08 2016

vSphere 6.0 Update 1b released

Yesterday, 2016-01-07, VMware release vSphere vCenter Server and ESXi 6.0 Update 1b. A few updates and fixes i think will be useful for at least some of my readers are listed below: VMware now supports Cisco Nexus 1000V Virtual machines protected by VMware vShield App lose network connectivity on the ESXi 6.0 hosts Windows 10 …

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Jan 05 2016

Find ESXi installation date

Last week i received a question about howto find the VMware ESXi installation date. Actually nothing i have thought about before and my initial thought was to verify this via the date you receive when running the following command: esxcli software vib list | grep -i base I ran the above command in my home …

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Nov 26 2015

ESXi Change Block Tracking patch released

Yesterday, 2015-11-25, VMware released a patch that will solve the ESXi 6.0 Change Block Tracking (CBT) problem where virtual machines backed up using CBT could experience the following problems: Inconsistent virtual machine backups The CBT API call QueryDiskChangedAreas() API call can sometimes return incorrect changed sectors, which results in inconsistent incremental virtual machine backups. The …

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Sep 30 2015

Heads Up! – ESXi 5.5 Update 3 can crash VMs after snapshot delete

Updated 2015-10-06 VMware released a patch today that will fix this problem, KB available here ————————— Updated 2015-10-01 Today VMware leased a KB 2133118  for the below described issue. No resolution included but a workaround. ———————— Original post ———————– Today i came across this VMware Communities thread that explains different scenarios where vSphere ESXi 5.5 Update 3 …

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Sep 18 2015

Heads Up! 3D graphics enabled on ESXi 6.0 U1 can cause PSOD

So this issues was brought to me by my former colleague Toni Lindberg meaning i have not seen this myself. However, i thought it was kind of critical so i wanted to share it with you. So Toni’s customer runs vSphere 6.0 U1 (upgraded from ESXi 6.0 GA with latest patches), Horizon View 6.1.1 and the …

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Sep 11 2015

vSphere 6.0 Update 1 released

Yesterday, 2015-09-10, VMware released vSphere 6 Update 1 (U1) and it contains quite a few enhancements and a lot of resolved issues in the following areas: ESXi API Backup CIM Installation Guest Operating System Security Storage Network Upgrade vCenter Server Upgrade Issues vCenter Single Sign-On Issues Security Issues Storage Issues vCenter Server, vSphere Web Client, …

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Sep 01 2015

ESXi mgmt network lost when adding ESXi to VDS

So the other day a had a very unpleasant experience when adding a few new ESXi hosts, version 5.5 U2 including the latest patch, to an existing vCenter Server (5.5 U2e) vNetwork Distributed switch (VDS). I used the wizard in the vSphere web client and followed the recommendation but i guess i could have made …

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Aug 27 2015

vMotion – A general system error occurred

Updated 20170127 Apparently this applies to vSphere 6.5 as well according to a comment below. Thanks Joe for letting us know ———————————————————————– The other day i had an issue with vMotion migrations in my vSphere environment running the following versions: vCenter Server 5.5.0 build 2183111 ESXi 5.5.0 build 2143827 The error i was seeing happened at …

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Aug 21 2015

VMware Tools for nested ESXi version 1.2 released

As i wrote almost two years ago here, VMware labs got a VMware Tools fling for nested ESXi. This fling is still relevant when running ESXi 5.5 but for ESXi 6.x it is installed by default.  A few days ago a new version was added including the following enhancements: Guest Time Synchronization Larger resource pool …

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Jul 28 2015

Upgrade to vSphere ESXi 6 via command line

The other day i had to upgrade my lab ESXi mgmt server from version 5.5 to 6.0 host via the command prompt and it’s actually pretty straight forward. I took the following steps to perform the upgrade: Download the latest ESXi version from the VMware website Log on to the ESXi server using SSH Verify running ESXi version …

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Jul 19 2015

Heads up! Quiescing operations cause a Windows virtual machine to panic

I usually don’t create blog post with bug related information but i think VMware KB 2115997, Quiescing operations cause a Windows virtual machine to panic with a Stop 24 error on ntfs.sys, updated July 9 2015 is something that i need to share. I have been contacted a few times over the past weeks in regards of …

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Jul 08 2015

VMware ESXi 6.0.0b released

Yesterday, 2015-07-07, mwMware released a patch for their ESXi 6 and it’s called ESXi 6.0.0b. As always, evaluate if the fixes  included in a release is required for your environment and if it is the patch can be downloaded here. Some of the issues resolved in this release includes: NTP package updated Unable to monitor hardware status …

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Jul 07 2015

vSphere 6.0 blog – VM Component Protection

During the past weeks i have received a couple of questions about the VM Component Protection (VMCP) feature introduced in vSphere 6.0. The VMCP feature adds another layer of protection for the virtual machines since you can configure different behaviours for different storage related problem such as All Path Down (APD) and Permanent Device Loss (PDL). I know …

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Jul 01 2015

vSphere 6.0 – Performance Best Practices Guide Released

This is just a very short blog post but i know that a lot of you have been waiting for the content/topic of this one. VMware recently released an updated version of their popular Performance Best Practices guide and this version addresses vSphere 6.0. You can download the pdf here and by doing so you …

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Jun 29 2015

Upgrade to vSphere ESXi 6.0 via Nutanix PRISM

So one of the cool things with the Nutanix PRISM interface is that more and more software components can be managed from this single interface. I created a post a while back where i showed how we can easily upgrade the Nutanix Operating System and you can fint it here. This blog will be about …

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