Category Archive: vSphere

Nov 17 2016

VMware vCenter Server 6.5 Resource Requirements

Just a quick blog post about the vCenter Server 6.5 Appliance resource requirements in terms of vCPUs, RAM and Storage per deployment size option. And yes, this is mostly for my personal documentation purposes since the information can also be found in the VMware vSphere 6.5 official documentation, Anyway, the following Deployment Sizes are available: …

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Aug 11 2016

Verify vMotion functionality using PowerCLI

One very important thing during any environment deployment or environment expansion is to verify it actually works as expected. It has been a while since my last script blog post but i wanted to share one PowerCLI script i put together a while ago to verify vSphere vMotion functionality. The script has been very handy …

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May 23 2016

Register vCenter Server Lookup Service in vShield Manager

A few weeks ago i upgraded a customer environment to latest release of VMware vSphere. Customer ran 5.5 U2 and now they wanted version 6.0 U2 for both vCenter Server and ESXi. The entire process was pretty straight forward and the only little bump we had was the vShield Manager to vCenter Server Lookup Service …

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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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