Technology

BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 6 – Defining the Soll & Roadmap

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 6 – Defining the Soll & Roadmap

Intro We covered quite some topics in the previous blogposts. We talked about how important the assessment phase is, which Technical & Common vSphere Challenges you could expect, and what the ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 5.3 – Solving vSphere Compatibility Challenges with VVD

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 5.3 – Solving vSphere Compatibility Challenges with VVD

Intro VMware its product portfolio has grown immensely in the last several years. Most VMware products are designed to integrate & enhance each other but also to be compatible with one and ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 5.2 – Common vSphere Challenges

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 5.2 – Common vSphere Challenges

Intro Upgrading and maintaining a vSphere environment is a broad topic that also can be difficult. As you probably have noticed already in the blogpost series, there are numerous ways of doing a ...
Troubleshooting: Cannot Add host “Authenticity of the host’s SSL certificate is not verified”.

Troubleshooting: Cannot Add host “Authenticity of the host’s SSL certificate is not verified”.

Intro One of my customers wanted to change the hostname of the ESXi host. In this case, the ESXi hostname stayed the same, but it needed to become part of  a subdomain. Changing an ESXi hostname ...
BlogPost Series: LCM of VMware vSphere & HPE Hardware – Final Conclusion (Part 5)

BlogPost Series: LCM of VMware vSphere & HPE Hardware – Final Conclusion (Part 5)

Final Conclusion Like I said in the beginning of the blogpost series, Life Cycle & Patch Management is a difficult topic. Which can become a big headache when there are so many dependencies ...
BlogPost Series: LCM of VMware vSphere & HPE Hardware – Global LCM Plan & Order of Upgrading (Part 4)

BlogPost Series: LCM of VMware vSphere & HPE Hardware – Global LCM Plan & Order of Upgrading (Part 4)

Intro We’ve viewed the different tools that help to manage a HPE stack and if and how we could integrate VUM with this. We also discussed that consistency with virtualization & infrastructure ...
BlogPost Series: LCM of VMware vSphere & HPE Hardware – Scripts & Reporting Tools (Part 3)

BlogPost Series: LCM of VMware vSphere & HPE Hardware – Scripts & Reporting Tools (Part 3)

Intro We’ve viewed the different tools that help to manage a HPE stack and if and how we could integrate VUM with this. During the project and our research, we found out that it is really difficult ...
BlogPost Series: LCM of VMware vSphere & HPE Hardware – LCM Tools Comparison & Review (Part 2)

BlogPost Series: LCM of VMware vSphere & HPE Hardware – LCM Tools Comparison & Review (Part 2)

Intro Life Cycle & Patch Management, can be achieved with different tools and methods with HPE and VMware. However, the number of available tools that can be used for LCM, can make it quite ...
BlogPost Series: LCM of VMware vSphere & HPE Hardware – Basics (Part 1)

BlogPost Series: LCM of VMware vSphere & HPE Hardware – Basics (Part 1)

Intro Life Cycle & Patch Management within organizations can be a difficult topic. Mostly because of the broad set of software and hardware that can and should be included in a Life Cycle & ...
VUM Error: Host cannot download files from VMware vSphere Update Manager patch store

VUM Error: Host cannot download files from VMware vSphere Update Manager patch store

Setup: vCSA 6.5 with embedded VUM Intro: At one of my customers, I had a weird problem that one of the hosts couldn’t updated through VUM. Time to investigate. Error: “Host cannot ...
How to Rollback an ESXi host after an update

How to Rollback an ESXi host after an update

Upgrading and updating your ESXi hosts is necessary. Updates contain bug fixes, security updates, new features or improvements, and drivers. With VUM this can be quite easy. However, sometimes you ...
vCenter doesn’t start up – Failed to start File System Check on /dev/dis..

vCenter doesn’t start up – Failed to start File System Check on /dev/dis..

A customer of mine had some problems with a vCenter (vCSA 6.5) that didn’t want to boot up anymore. First thing I checked was if I could log in on the vCenter Appliance Management Interface (VAMI). ...
Changing the Display Preferences and Resolution for VMs in VMware Fusion

Changing the Display Preferences and Resolution for VMs in VMware Fusion

Intro For one issue (documented here), I had to reinstall the VMware tools on a Windows VM. After the reinstall, the screen resolution looked kinda weird. I had one of the highest Resolution on a ...
VM has No Network Connection, Windows 7 – VMware Fusion 10.1 (Workstation)

VM has No Network Connection, Windows 7 – VMware Fusion 10.1 (Workstation)

Recently I had a weird issue that a Windows 7 virtual machine on VMware Fusion (10.1) wasn’t able to make any network connections. After doing all the basic checks (NAT configured, Windows ...
TIQR (SURFnet) stopped working after Android Update 9 (Android Pie)

TIQR (SURFnet) stopped working after Android Update 9 (Android Pie)

For one of my customers, I use TIQR to login remotely. However, after an Android Update towards version 9, the application stopped working. In the beginning it looked like the application didn’t ...
vSphere Troubleshooting: Hosts Disconnects  “Agent unable to save configuration to disk: Error syncing firmware configuration: vim.fault.TooManyWrites”

vSphere Troubleshooting: Hosts Disconnects “Agent unable to save configuration to disk: Error syncing firmware configuration: vim.fault.TooManyWrites”

During a deployment of several ESXi hosts at a customer, I noticed that the new hosts were disconnecting every few minutes. When I checked the event error, it showed a lot of different errors and ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 5.1 – Technical vSphere Challenges

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 5.1 – Technical vSphere Challenges

Intro Without knowledge, one cannot make reliable (technical) decisions. Quite simple right. That’s why it is so important that you do your research well and spend enough time gathering ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 4 – Dependencies & Compatibility

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 4 – Dependencies & Compatibility

Intro You have done the interviews, gained a lot of insight through tools, documentation and whatsoever, and with that you’ve created your first draft of the so-called IST. During the assessment ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 3 – Defining the IST

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 3 – Defining the IST

Intro With the GAP-Analysis we’ll try to create a clear overview of where we start and where we want to be, starting with defining the IST. The IST is so called starting point or baseline if ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 2 – Assessment

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 2 – Assessment

Intro One of the most important parts in projects (and also most of the time neglected) is the assessment phase. Creating an upgrade path and executing it, is no different. Some upgrade paths are ...
BlogPost Series – Creating a Roadmap for vSphere Upgrades: <br> Phase 1 – Kick-off

BlogPost Series – Creating a Roadmap for vSphere Upgrades:
Phase 1 – Kick-off

IntroThis is the beginning of the blogpost series “Creating a Roadmap for vSphere Upgrades”. As a consultant, I’ve seen quite some different type of customers, business environments, uses cases ...
Troubleshooting: vSphere Sessions are constantly logging off –  Connection Timeout

Troubleshooting: vSphere Sessions are constantly logging off – Connection Timeout

I recently had a problem that one of my vCenters (vCSA 6.5) was constantly logging off any kind of user after a few minutes. Which would end up with the following error output: “Your vsphere Client ...
Retrieving License Keys and other Valuable information from HPE Servers

Retrieving License Keys and other Valuable information from HPE Servers

Sometimes, you want to have more info then the GUI shows you, or you want to create or change configuration on loads of different servers, and clicking is not the fastest way. Command line and ...
vCSA6.5 Installation Stuck at 80% and some other fun errors during Deployment.

vCSA6.5 Installation Stuck at 80% and some other fun errors during Deployment.

if you came across this post then you’ll probably had the problem that the vCenter installation became stuck around the 80%, with the text “Installing RPM This may take several minutes”. ...
Crashed Synology Volume, and how to Restore (DS415 Play)

Crashed Synology Volume, and how to Restore (DS415 Play)

Intro As an IT guy, I have started to get a little bit of my own personal lab, and when sometimes something breaks, I always try to see it as a fun way to gain some experience and put on my ...
How to prepare for VMworld – a few tips and tricks

How to prepare for VMworld – a few tips and tricks

It is Saturday morning 08:00. Sleep status = Zero. Only one day before I’m taking the plane to VMworld Barcelona. This is the first time that I’m attending, and I’ve been looking forward to ...
Android 8.1 Virtualised on OS X with VMware Workstation / Fusion

Android 8.1 Virtualised on OS X with VMware Workstation / Fusion

Install Android 8.1 on VMware Fusion Tested on macOS High Sierra & VMware Fusion 10.1.2 So it started when I had to bring my phone back for repairs. I didn’t had any android phone, and some ...
Hyper-V to VMware Conversion (V2V)

Hyper-V to VMware Conversion (V2V)

A while ago I started to make also some video’s to help people with certain problems. One of them was changing the language settings in Windows 10, but now I also made a V2V conversion ...
How to Change your System Language in Windows 10

How to Change your System Language in Windows 10

Hi, I made a video about how to change your System in Language in Windows 10. But in short the steps are: 1. Add language pack in the control panel, go to Language & remove others. Set default ...
ESXi Install 5.x & 6.x

ESXi Install 5.x & 6.x

How to Install ESXi 5.x & 6.x The screenshots are of 5.1. but the setup is almost the same, if not the same to all versions up till 6.5. When you are installing an ESXi host, it is best to use an ...
Building a Home testlab – Part 1: The (Future) Setup

Building a Home testlab – Part 1: The (Future) Setup

Welcome to “Building a Home testlab” series Since IT is always changing, you need to keep developing yourself to become better and to learn to be flexible with all these changes. Well in ...