Category Archive: ESXi

Jun 21 2017

ESXi 6.5 Service sfcbd-watchdog Not Running

A few days back i had problem with the VMware ESXi service sfcbd-watchdog which wouldn’t start on my newly deployed ESX 6.5a (build number 4887370) servers and since the service is used for hardware monitoring purposes it is quite important. The service is disabled and is in stopped state from ESXi 6.5 so this blog post will …

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Apr 12 2017

Manage ESXi Routing Via Command Line Interface

There are certain key combinations and commands I find more difficult to remember than others. I wrote about Send F Key to VMware Fusion via MacBook Keyboard and the next in line is routing for ESXi. This is not something i do very often but It happens from time to time. I will not go into …

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Mar 31 2017

Heads Up! Critical Security Patch Available for VMware ESXi & More

A few days ago, 2017-03-28, VMware released a few security patches that will prevent a guest from execute code on the ESXi host. This has been possible based on heap buffer overflow and uninitialized stack memory usage in SVGA. Available VMware KB articles for these issues are: KB 2149672 KB 2149673 Affected VMware ESXi versions …

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Mar 30 2017

Heads Up! No More Third Party Virtual Switches API For ESXi

Update 2017-04-01 No it is official, see VMware KB 2149722 for more information. —————————————————————————————– Since I know quite a few of my customers are using third party switches in their vSphere environment instead of the VMware native Virtual Standard Switch (VSS) or vNetwork Distributed Switch (VDS) i wanted to provide you with some information I have …

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Mar 21 2017

Manage vSphere Virtual Machines in Nutanix PRISM

With the Nutanix AOS 5.0 release it is now possible to manage VMware vSphere ESXi based virtual machines (VMs) via Nutanix PRISM. VM management is controlled via the VM section in PRISM which you’ll reach by: Selecting VM in the main drop down menu Click Table and you’ll see all the VMs in table format. Both …

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Mar 01 2017

VMware vCenter Server 6.0 U3 & ESXi 6.0 U3 released

A few days ago, 2017/02/24, VMware released vCenter Server 6.0 Update 3 and ESXi 6.0 Update 3. Both vCenter Server 6.0 U3 and ESXi 6.0 U3 now includes upport for TLS v 1.0, 1.1 and 1.2. For ESXi it is enabled by default and can be configurable with 6.0 U3. For vCenter Server 6.0 U3 the …

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Feb 07 2017

VMware vCenter Server & ESXi 6.5.0a released

Just a short blog post for you who might have missed that a few days ago, 2017-02-02, same time as VMware released NSX version 6.3.0 they also released: vCenter Server 6.5.0a ESXi 6.5.0a The only purpose of this A release for vCenter Server was to add support for NSX 6.3 and the same goes for ESXi …

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Jan 31 2017

ESXi 6 – The VMRC Console Has Disconnected

So a few days back i was experience an issue where i couldn’t connect to a VMware vSphere ESXi 6.0 Patch 4 (build number 4600944) based Virtual Machine Remote Console (VMRC) at a customer. I have seen this quite a few times over the years and there are a lot of VMware KB articles available on the topic. …

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Dec 14 2016

VMware vSphere vCenter Server 6.5 Appliance Deployment using CLI

A while back i wrote a blog post about the VMware vCenter Server Appliance (VCSA) 6.5  Installation & Configuration via UI and as i mentioned in the blog post there is also a command line interface option (CLI) available and this is what this blog post will be all about. The procedure is really simple …

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Sep 13 2016

Disable ESXi host firewall ports using PowerCLI

Updated 2017-07-06 to match ESXi 6.5 FW Rule names One thing i do for the majority of my vSphere implementations, today and previous over the years, has been to disable ESXi firewall ports not being used. There are at least a few, not always the same though, ports that will never be used no matter …

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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 16 2016

vSphere 6.0 Update 2 released

Yesterday, 2016-03-15, VMware released vCenter Server 6.o U2 and ESXi 6.0 U2. There are quite a few good fixes and enhancements and i’ll list a few things i have seen in the field that will be fixed with these releases: Hostd stops responding when esxcli commands are executed using PowerCLI Upgrading vCenter Server from 5.5 …

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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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