How Multicast Traffic Works in VMware vSphere – Testing VSS (Basic Multicast Filtering) vs VDS (IGMP/MLD Snooping) with Video Streaming – Part 2
In Part 1, we built the multicast lab environment and explored multicast communication within a single VLAN, including IGMP, IGMP…
How Multicast Traffic Works in VMware vSphere – Testing VSS (Basic Multicast Filtering) vs VDS (IGMP/MLD Snooping) with Video Streaming – Part 1
Multicast traffic is commonly used for IPTV, video surveillance systems, financial market data feeds, software deployment solutions, and other applications…
How to Migrate from vSphere Standard Switch (VSS) to vSphere Distributed Switch (VDS) – and Back Again
The vSphere Distributed Switch (VDS) provides centralized network management across multiple ESXi hosts and offers advanced features such as Network…
Windows Secure Boot Certificates Expire in June and October 2026 – Readiness Checks, Troubleshooting, and VMware vSphere Fixes
Microsoft has announced that the original Secure Boot certificates introduced with Windows and UEFI Secure Boot in 2011 are approaching…
Why VMware vMotion doesn’t break your Network: Understanding RARP and MAC Table Updates
We’ve all watched the vSphere progress bar hit 100% and seen the ‘Migration Successful’ toast, marveling at the fact that…
How to Shrink a Linux VMware vSphere Virtual Disk (VMDK) and Its Associated Logical Volume
Allocating additional storage to a virtual machine in VMware vSphere is straightforward, you simply increase the size of the virtual…
How to Shrink a VMware vSphere Virtual Disk for Windows Server
Shrinking a virtual disk in VMware vSphere is considerably more challenging than extending one. While Windows allows you to reduce…
Updating VMware Tools to 13.0.5 manually on Ubuntu 24.04 (Headless Build – without GUI)
Ubuntu’s packaged version of open-vm-tools often lags behind VMware’s latest release. If you want to upgrade manually or build a…
Legacy Linux VMs and the udev NIC Trap: Why VMware Clones and OVF Exports Lose Networking
Whether you clone a legacy Linux VM (e.g. SLES11) in vSphere or export it as an OVF template and redeploy,…
VMware vSphere boot loop when trying to boot from Windows Server 2025 ISO
When trying to install Windows Server 2025 on vSphere, I was running into an known issue which actually requires a…
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Protecting NetApp ONTAP Workloads with Autonomous Ransomware Protection (ARP) – Part 4 – Detecting and Recovering SMB Workloads from Ransomware
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