Category Archive: vSphere

Apr 05 2016

Change ESXi password complexity policy

The other week i was asked by a customer to change passwords for all service accounts in their environment and this includes but not limited to IPMI admin account, ESXi host root account, Nutanix Controller Virtual Machine (CVM) nutanix account vCenter Server administrator@vsphere.local account Based on existing customer password requirements for ESXi hosts, 16 characters including only …

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Mar 01 2016

Error joining vCenter Server Appliance to Active Directory

Time for another guest blog post and this one by my former colleague Johan Blom @ RTSAB who had problem joining a vCenter Server Appliance 6 U1 to a Windows 2012 R2 domain. When trying top join domain from vSphere Web Client the following error was seen:   Idm client exception: Error trying to join AD, error code [11], user [XXX\yyy …

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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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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 17 2015

vSphere 5.5 Update 3 released

Yesterday, 2015-09-16, VMware released vSphere 5.5. Update 3 which includes new versions for: vCenter Server ESXi I have identified at least two problems i have seen that are now resolved in vCenter Server Defined permissions behave differently in vSphere Client and Web Client Moving VMs between the folders is disabled in the Web Client when permission …

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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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Aug 13 2015

vShield Manager disk 100% full

A few days ago my vShield Manager, VSM, virtual machine (VM) disk system was filled up to 100%. Yes i know this is due to poor monitoring but it’s in my lab and i’m using it for a specific reason from time to time. At least i had some reporting of the issue so i …

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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 14 2015

vCenter Server won’t start

This is actually the second blog post with the same name. I had the same problem, vCenter Server didn’t start, about a year ago and you can read that blog post here. This blog post applies to vCenter Server 5.5.0 build 2442329 and the problem was that the vCenter Server service didn’t start after an unexpected reboot of …

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Jul 08 2015

VMware vCenter Server 6.0.0b released

Yesterday, 2015-07-07, VMware released a patch for their vCenter Server 6 and it’s called vCenter Server 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: VPXD SSL certificates might not be migrated after upgrade …

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