Stanislav Musil – Blog

vNIC Speed Management with powershell (PowerCLI)

Managing virtual network interfaces (vNICs) effectively is crucial for VMware administrators who want to optimize their virtual infrastructure. It’s important to note that modifying a VM’s in-guest virtual networking adapter link speed addresses OS or application-level limitations related to the default detected 10Gb speed of the vmxnet3 adapter. However, keep in mind that the actual…

June 28, 2025
VMware Cloud Foundation 9.0 Hands-on Labs

Discover the new VMware Cloud Foundation 9.0 Hands-on Labs – 100% free to use and ready to go with zero setup required. direct link to new labs -> https://labs.hol.vmware.com/HOL/catalog?catalogs=VCF%209.0%20GA There is a 5 new VCF9 labs Here’s what you’ll dive into: more info in official blog here: https://blogs.vmware.com/cloud-foundation/2025/06/19/vmware-cloud-foundation-9-0-hands-on-labs-dive-in-and-unlock-your-potential/

June 19, 2025
VMUG Czech Republic: Deep Dive into VCF Networking, Kubernetes Integration, and Cybersecurity

On an inspiring day at Greenpoint Prague, we gathered for the VMware User Group (VMUG) Czech Republic event, which I had the pleasure of organizing alongside Josef Zach. The venue buzzed with energy as we eagerly anticipated a day filled with insightful sessions and vibrant networking. The day started strong with Karel Novak‘s compelling session,…

May 30, 2025
VMUG Connect 2025 Recap: From Brewery Chats to Certification Success!

Just got back from VMUG Connect 2025 in Saint Louis, and what an incredible experience it was! From the moment I landed, the energy was buzzing, and kicking off the event at the pre-connect gathering in a Budweiser brewery set the perfect casual tone to network and catch up with friends and peers from around…

May 8, 2025
My VMUG Leader Summit 2025 Experience in Saint Louis!

I recently had the fantastic opportunity to travel from the Czech Republic to Saint Louis, USA, for the 2025 VMUG Leader Summit. As a proud Czech Republic VMUG Leader, this journey was particularly exciting for me—filled with long flights, amazing people, and tons of great insights. My trip began in Prague, with stopovers in Amsterdam…

May 8, 2025
How to Suppress ESXi Shell Warnings with PowerCLI

If you’re managing VMware environments, you might occasionally run into persistent shell warning alerts in your ESXi hosts. Thankfully, you can quickly find and suppress these warnings with a bit of PowerCLI magic. Check for ESXi Hosts with Shell Warnings Show the actual advanced settings on all hosts. Log into vCenter using PowerCLI and run…

April 12, 2025
How to Quickly Check/Backup ESXi Host TPM Encryption Recovery Key Using PowerCLI

Managing encryption across multiple ESXi hosts can be a bit of a hassle. But don’t worry. I’ve got a simple PowerCLI script that’ll save you time and headaches by quickly retrieving encryption status and recovery keys from your VMware environment. Why Do You Need This? Ensuring your ESXi hosts are correctly encrypted is essential for…

March 23, 2025
Veeam upgrade 12.2 to 12.3 step-by-step in pictures

Pre-upgrade checks Stop & disable all backup jobs. And then stop all Veeam services. You can use powershell to stop all Veeam* services: Mount installation ISO image and run “Setup.exe” Choose what to upgrade License Agreement Upgrade list of product which will be upgraded License If you have already licnesed Veeam, you will see your…

March 10, 2025
Centralized ESXi Logs: Quick Guide to Syslog Configuration (WebUI & CLI)

Configuring syslog on your ESXi host is essential for centralized logging and efficient monitoring. Having your logs centrally managed simplifies troubleshooting and helps with compliance and security audits. Below you’ll find an easy-to-follow guide for setting up syslog both via the WebUI and CLI. Don’t forget to verify connectivity and regularly check your centralized logs…

March 8, 2025
ESXi to Syslog: Troubleshooting Connectivity Issues Like a Pro!

When troubleshooting ESXi network and Syslog server connectivity issues, knowing the right tools can save you hours of frustration. Whether it’s an unresponsive syslog server, blocked TCP/UDP ports, this guide will help you diagnose and fix common connectivity issues quickly. Key Troubleshooting Tools for ESXi Network Connectivity Step 1: Verify Basic Network Connectivity Before checking…

February 22, 2025

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VMware Advocacy

vSAN ESA Disk & HCL Workaround for VCF 9.0July 9, 2025
vSAN ESA Disk & HCL Workaround for VCF 9.0 vSAN ESA (Express Storage Architecture) has become the preferred architecture when deploying VMware Cloud Foundation (VCF). For those interested in exploring vSAN ESA with VMware Cloud Foundation (VCF) 9.0 but may not have compatible hardware from the vSAN ESA HCL, there are a couple of work- … Continue reading “vSAN ESA Disk & HCL Workaround for VCF 9.0”
Disable 10GbE NIC Pre-Check in the VCF 9.0…July 7, 2025
Disable 10GbE NIC Pre-Check in the VCF 9.0… By default, the new VMware Cloud Foundation (VCF) 9.0 Installer will validate the ESXi management interface is at a 10GbE network adaptor and it will prevent users from proceeding if the minimum link speed is not detected. This pre-check had also existed in VCF 5.x and users … Continue reading “Disable 10GbE NIC Pre-Check in the VCF 9.0…”
VCF 9.0 Installer workaround for ESXi hosts…July 6, 2025
VCF 9.0 Installer workaround for ESXi hosts… If you are using ESXi hosts that have mixed hardware vendors, the VCF 9.0 Installer will throw the following error as shown in the screenshot below: ESX Hosts don’t have the same vendor. vLCM is not supported on ESX Hosts with different vendor. Found vendors are: [micro computer … Continue reading “VCF 9.0 Installer workaround for ESXi hosts…”
Modernize Storage with VMware vSAN in VMware…July 4, 2025
Modernize Storage with VMware vSAN in VMware… In today’s rapidly evolving IT landscape, organizations face a convergence of trends that are reshaping how they think about infrastructure—especially storage. VMware Cloud Foundation (VCF) 9.0 introduces significant advancements in VMware vSAN that align with these trends and help enterprises […] Broadcom Social Media Advocacy
Announcing VMware vSphere Foundation 9.0 –…July 2, 2025
Announcing VMware vSphere Foundation 9.0 –… Today’s IT teams are under constant pressure to simplify operations, reduce costs, support new workloads, and do more with less. Yet as applications grow more complex, many organizations are juggling fragmented systems and siloed tools that slow them down. That’s where VMware vSphere Foundation [..] Broadcom Social Media Advocacy

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