Category: vCenter

vCenter Upgrade Hell: Russian Roulette with 25GB VMDKs (And Why You Can’t Expand Them)

vCenter

🚀 Follow Me on X – New Account My previous X account @AngrySysOps was suspended.I am continuing the same tech, cybersecurity, and engineering discussions under a new handle. Follow @TheTechWorldPod on X for daily insights, threads, and podcast updates. 👉 Follow @TheTechWorldPod on X 👈 So, you’ve decided to upgrade your vCenter Server Appliance. You’ve…

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What should you do seeing this message?

vCenter

🚀 Follow Me on X – New Account My previous X account @AngrySysOps was suspended.I am continuing the same tech, cybersecurity, and engineering discussions under a new handle. Follow @TheTechWorldPod on X for daily insights, threads, and podcast updates. 👉 Follow @TheTechWorldPod on X 👈 Ah, the infamous VAMI pre-check warning! You are trying to…

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The “Simple” Storage Migration: Why Subscribed Content Libraries are a Pain

vCenter

We’ve all been there. You’re in the middle of a glorious storage refresh. The storage team has finally racked the new PowerMax arrays, the zoning is done, and you’re happily Storage vMotioning VMs from the old VMAX to the new hotness. Life is good. The progress bars are green. And then you hit the Content…

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VMware vCenter Converter Standalone 9.0 — What’s New, Why It Matters, and How to Use It

vCenter Virtual Machines Virtualization

TL;DR: VMware vCenter Converter Standalone 9.0 is now GA with support for VMware Cloud Foundation (VCF) 9.0, virtual hardware version 22, full SSL certificates, and—big win for Linux admins—post-clone synchronization for Linux machines with proper XFS CRC & ftype preservation. There’s also Python support in the Converter SDK, refreshed UI icons, and general security hardening.…

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Simplifying vCenter Certificate Management with vCert tool

vCenter

What is vCert? vCert is a command-line tool developed by Broadcom to help administrators manage SSL certificates within vCenter Server. Whether you’re replacing expired certificates, verifying trust anchors, or just trying to clean up a mess caused by manual cert handling—this tool saves hours of troubleshooting and scripting. 🛠️ Key Features ✅ Certificate Health Checks…

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Resolving SHA-1 Certificate Error During vCenter Server Upgrade

vCenter

How to Remove CA Certificates from the TRUSTED_ROOTS store Introduction Upgrading to VMware vCenter Server 8.0 update 2a from version 7.x can sometimes present challenges, notably when encountering errors related to certificates signed with the SHA-1 algorithm. Given the security vulnerabilities associated with SHA-1, VMware has taken steps to ensure a more secure environment, which…

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Unable to reset password for user, Error: Authentication token manipulation error

vCenter

When using appliances based on Photon OS, it can be quite frustrating to encounter restrictions on reusing a password for the root user. This issue often presents itself in the form of an error message stating, ‘Password has been already used. Choose another. This message appears when an attempt is made to set a previously…

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“Log disk exhaustion” warning on the vCenter

vCenter

Is your VMware vCenter experiencing a “log disk exhaustion” warning? Is your vCenter’s storage space being consumed by an unusually large vmafdd.log file? You’re not alone. Many system administrators have encountered this issue, which can lead to performance degradation and potentially disrupt your virtualized environment. In this guide, we’ll walk you through the process of…

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What is vSphere Diagnostic Tool and how to use it?

vCenter

Introduction In the ever-evolving world of virtualization, ensuring the smooth operation of vSphere environments is paramount for businesses and IT professionals. Recognizing this need, VMware has developed the vSphere Diagnostic Tool, a powerful Python script that promises to revolutionize troubleshooting within the vCenter Server Photon Appliance. In this article, we will explore the functionality and…

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vCenter – HTTP status 500 – internal server error

vCenter

Today, I encountered a situation wherein one of my vCenter instances presented an HTTP status 500 error. Should you ever encounter this error, two potential underlying causes responsible for its occurrence: As I quickly check my SSL certificate and it shows valid until February 2024, I logged to VAMI and saw this error: I went…

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