My Experience with the VMware Certified Advanced Professional - VMware Cloud Foundation Operations (3V0-22.25)

Achieving the VMware Certified Advanced Professional (VCAP) – VMware Cloud Foundation (VCF) Operations certification was a rewarding experience that validated both my technical knowledge and hands-on operational skills within the VMware Cloud Foundation ecosystem.

Many professionals preparing for this certification often ask about the best preparation strategy. Based on my experience, I would like to share a few key recommendations that significantly contributed to my success.

1. Complete the Official VCF Operations Training (Recommended)

The first step is to thoroughly complete the recommended VMware Cloud Foundation Operations training courses. The training provides a strong foundation across VCF architecture, lifecycle management, troubleshooting, operations, monitoring, security, and automation concepts.

While training alone is not sufficient to pass the exam, it helps establish the core knowledge required for the advanced-level scenarios covered in the certification.

2. Follow the Exam Study Guide Carefully

The official exam guide should be your roadmap throughout the preparation journey.

I recommend reviewing every objective listed in the blueprint and ensuring that you can confidently explain and perform the associated tasks. Focus particularly on operational workflows, troubleshooting approaches, lifecycle management, and day-to-day administration activities within VMware Cloud Foundation.

The study guide helps identify areas where additional practice may be required before attempting the exam.

3. Build and Use a Full VCF 9.x Lab Environment

This was the most important factor in my preparation.

Having access to a complete VMware Cloud Foundation 9.x lab environment allows you to move beyond theoretical understanding and gain practical experience. Reading documentation and watching videos are useful, but nothing replaces hands-on practice.

A complete lab should ideally include:

• SDDC Manager
• vCenter Server
• ESXi Hosts
• vSAN
• NSX
• Aria Operations
• Aria Operations for Logs
• Other integrated VCF components

The more closely your lab resembles a real production environment, the better prepared you will be.

4. Visualize Everything in the VCF Operations UI

One preparation technique that helped me tremendously was visualizing every concept directly in the VCF user interface.

Whenever I studied a topic, I immediately opened the corresponding section within VCF and explored it hands-on. Whether it was lifecycle management, workload domains, certificate management, monitoring dashboards, NSX configurations, or operational workflows, I made sure to locate and understand where those functions existed in the platform.

This approach helped me:

• Build muscle memory
• Understand operational workflows
• Connect theoretical concepts with actual product functionality
• Gain confidence navigating the platform
• Improve troubleshooting skills

Over time, this practical visualization made many exam scenarios feel familiar because I had already performed similar tasks in the lab.

5. Focus on Understanding Rather Than Memorization

The VCAP-VCF Operations exam is designed to test practical operational expertise rather than rote memorization.

Instead of trying to memorize facts, focus on understanding:

• Why a feature exists
• When it should be used
• How it is configured
• How it impacts operations
• How to troubleshoot related issues

This mindset is much more valuable both for the exam and for real-world environments.

Final Thoughts

If I had to summarize my preparation strategy in one sentence:

Study the objectives, complete the training, and most importantly, validate every concept in a hands-on VCF 9.x lab environment.

The confidence required to clear the VCAP-VCF Operations exam comes from seeing and performing the tasks yourself rather than simply reading about them. Visualizing every topic in the VCF Operations UI bridges the gap between theory and practice and significantly improves exam readiness.

For anyone planning to pursue the VCAP-VCF Operations certification, my advice is simple: Build a lab, explore the platform daily, and let hands-on experience become your primary learning tool.

Good luck on your certification journey!

vCenter Management Evolved: Say Goodbye to ELM in VMware Cloud Foundation 9.x

For years, vSphere administrators managing large-scale environments relied on Enhanced Linked Mode (ELM) to achieve a single pane of glass across multiple vCenter Servers. While ELM served us well, it carried architectural baggage: brittle replication rings, strict version locksteps, and complex recovery steps if a single vCenter database became corrupted.

With the release of VMware Cloud Foundation (VCF) 9.x, VMware has officially deprecated ELM. In its place is a modernized, cloud-native architecture: vCenter Linking (also known as Linked vCenter Groups). Managed natively via VCF Operations, this new approach completely decouples multi-vCenter management from legacy database replication.

Here is a deep dive into why this change matters and how it works under the hood.

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Why the Architecture Evolved: ELM vs. vCenter Linking

The shift to vCenter Linking solves the most painful lifecycle management (LCM) challenges of legacy vSphere designs.

1. Version Independence

• The Old Way (ELM): All vCenters in an ELM ring had to run identical or highly compatible build versions. Upgrading one often meant upgrading all of them in a strict, coordinated window.
• The New Way (VCF 9.x): vCenters are now decoupled. You can upgrade an individual workload domain vCenter to a newer patch without touching the others.

2. Zero Topology Downtime

• The Old Way (ELM): Breaking, rebuilding, or recovering a failed node in an ELM replication ring required meticulous snapshot planning and risked breaking the entire SSO domain.
• The New Way (VCF 9.x): Adding or removing vCenters from a group is an API-driven, non-disruptive task. If one vCenter goes offline, the remaining nodes continue to function seamlessly.

3. Modern Identity & Security

• The Old Way (ELM): Relied on heavily synchronized, local single sign-on (SSO) databases across physical locations.
• The New Way (VCF 9.x): Leverages standard token protocols (OIDC and SAML). It integrates cleanly with external Identity Providers (IdPs) like Okta, Microsoft Entra ID, and Ping Identity, eliminating the need to sync local credentials across sites.

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Under the Hood: How vCenter Linking Works

Instead of peer-to-peer database synchronization, VCF 9.x introduces a brokered-identity and data-streaming framework orchestrated by VCF Operations.

The 4-Step Connection Process:

1. Validation: The VCF Adapter initiates a handshake, verifying that target vCenters meet the minimum vCenter 9.0 version requirements and validating administrative access.
2. Identity Brokerage: The system utilizes the VCF Identity Broker (VIDB). Instead of merging SSO domains, VIDB fetches independent SSO Domain IDs and security token services from each instance.
3. Establishing Trusted Pools: Root certificates and lookup services are securely exchanged to create a cross-domain "Trusted Pool". This allows a token from one SSO domain (e.g., vsphere.local) to be securely exchanged for a token on another (e.g., nsx.local) on the fly.
4. Asynchronous Streaming via gRPC: Rather than pulling massive database tables, the VCF adapter subscribes to a continuous, long-lived HTTP/2 stream on the vCenters using gRPC. Changes, inventory updates, and events are streamed asynchronously and incrementally in lightweight batches.

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Step-by-Step Configuration Workflow

Setting up a Linked vCenter Group is entirely driven by a streamlined wizard inside the modern VCF management platform:

1. Deploy VIDB: Deploy the VCF Identity Broker (VIDB) in either embedded or external cluster mode depending on your scale requirements.
2. Access the Console: Log into your VCF Operations Console.
3. Navigate to Linking: Go to Infrastructure Operations > Configurations > vCenter Linking.
4. Create the Group: Click Create Group, name your topology, select the independent vCenter Server instances you wish to link, and authorize the cross-domain trust.

Once complete, administrators can log into a single vSphere UI and view, manage, and provision resources across all linked instances simultaneously.

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The Verdict

vCenter Linking in VCF 9.x represents a massive leap forward for enterprise infrastructure stability. By separating the management plane from the data replication plane, VMware has finally removed the upgrade roadblocks that plagued large-scale vSphere environments for years.

More details: https://blogs.vmware.com/cloud-foundation/2026/06/02/vcenter-management-evolved-new-vcenter-linking-in-vmware-cloud-foundation-9-x

Component Comparison Between VCF 5.2, VCF 9.0, and VCF 9.1

As  VCF 9.1 released, so here is quick summary of VCF Components comparison.

More details can be found on: 

https://techdocs.broadcom.com/us/en/vmware-cis/vcf/vcf-9-0-and-later/9-1/deployment/vcf-management-appliances.html#GUID-2bab6de2-024a-4900-9716-7fba53ea0721-en_id-e0fe7eb4-1875-4819-dca9-c34434b2d173

Delhi VMUG – Unlocking the Future with VCF

In-Person Meetup | 20 December 2025 | Holiday Inn, Mayur Vihar, Delhi

After a long wait, VMUG Delhi NCR is thrilled to announce the return of its in-person community events. Our upcoming meetup, “Unlocking the Future with VCF”, brings together VMware professionals, architects, administrators, customers, and community enthusiasts for a day filled with learning, collaboration, and innovation.
This event marks an important milestone – the revival of our physical gatherings and the beginning of a stronger, more active Delhi VMUG chapter built on knowledge sharing and community spirit.

Why This VMUG Meetup Matters
The technology landscape is evolving rapidly, with multi-cloud adoption, modern applications, container platforms, and automation shaping the future of IT. VMware Cloud Foundation (VCF) now stands at the center of this transformation.
Through this event, we aim to enable practitioners to:

• Understand the transition from traditional vSphere environments to VCF

• Explore modern Kubernetes platforms like VKS

• Learn real-world migration strategies with HCX

• Connect with peers, experts, and leaders in the VMware community

Whether you are new to VMware technologies or a seasoned professional, this meetup promises valuable insights and meaningful interactions.

📅 Event Details
📍 Venue: Holiday Inn New Delhi Mayur Vihar, New Delhi – 110091
📆 Date: Saturday, 20 December 2025
🕒 Time: 9:30 AM – 3:00 PM IST

📝 Agenda: https://tinyurl.com/vmugdelhiagenda
9:30 AM – 10:00 AM Registration & Networking
Kick off the morning by meeting fellow VMUG community members and interacting with peers and industry experts.

10:00 AM – 10:15 AM Introductions by VMUG Leaders
Abhishek Agarwal & Saroop Singh, the new Delhi NCR community leaders, will welcome the attendees and outline the vision for the chapter.

10:15 AM – 11:15 AM Keynote Session: Simplified Journey from vSphere to VCF
A deep dive into why organizations are embracing VCF and how they can transition smoothly from existing vSphere deployments.

11:15 AM – 11:30 AM – Tea Break

11:45 AM – 12:45 PM VKS Overview & Use Cases
Discover how VMware Kubernetes Services (VKS) simplifies modern app deployment and offers enterprise-grade container management.

12:45 PM – 1:45 PM Workload Migration Overview using HCX
Learn about real-world usage of HCX for seamless workload mobility, datacenter consolidation, and cloud transitions.

1:45 PM – 2:45 PM – Lunch Break

2:45 PM – 3:00 PM Quiz & Closing Note
A short fun quiz followed by concluding remarks from VMUG leaders and community announcements and Giveaways!

Why You Should Attend
✔ Exclusive technical sessions delivered by experts
✔ Real-world use cases & architectural insights
✔ Interact with VMware practitioners, partners & customers
✔ Be part of an active, growing Delhi NCR tech community
✔ A great opportunity to expand your network
✔ Fun, learning, and community engagement—all in one place!

🔗 Register Now
Grab your seat for the year’s most anticipated community meetup!
👉 https://tinyurl.com/vmugdelhi2025

🌐 Become a VMUG Member
If you aren’t already part of the global VMUG family, sign up today—it’s free!
👉 www.vmug.com

Join Us and Be Part of the Revival
The return of in-person VMUG Delhi NCR marks the beginning of an exciting new chapter. We look forward to reconnecting with the community, sharing knowledge, and building a collaborative ecosystem that accelerates
everyone’s VMware journey.

See you on 20th December at Holiday Inn, Mayur Vihar, New Delhi.

VCF 5.x and VCF9.0 Component Comparison

VMware by Broadcom has announced the release of VMware Cloud Foundation 9.0, making it an ideal time to review and compare the key component from the VCF 5.x to VCF 9.0

Find more details on VCF 9.0 : Click here

Create a Custom ESXi ISO Image along with vendor Add-on Using vSphere Lifecycle Manager

In case Custom Image with required build and version not available from Server Hardware OEM, you can create a custom ESXi ISO that incorporates vendor add-ons (such as those from HPE, Dell, Cisco, etc.) even if the specific ESXi build or version you're targeting hasn't been released by the hardware OEM yet. This approach allows you to leverage the latest security patches while still benefiting from the vendor-specific enhancements.

1. Import ESXi Patch and Vendor Add-on to vLCM Depot

Prerequisites:

• Ensure you have the necessary privileges.

• Obtain the correct versions of ESXi offline bundle depot zip file and vendor add-on zip file from Broadcom download portal.

Steps:

1. Log in to the vSphere Client.

2. Navigate to Menu > Lifecycle Manager.

3. Go to the Image Depot tab.

4. Click Actions > Import Updates.

5. In the Import Updates dialog:

   • Click Browse and select the ESXi patch ZIP file.

   • Click Browse again and select the vendor add-on ZIP file 

   • Click OK 

Note: Ensure the ZIP files are compatible with your vSphere version.

Click lifecycle manager on below page:

Then after selecting image Depot click on action menu and then click on Import Updates, repeat this task for ESXi Depot zip file and then Vendor Add-on zip file as per your Hardware.

2. Create Temporary Cluster with Single Image Management

1. In the vSphere Client, navigate to Menu > Hosts and Clusters.

2. Right-click on the datacenter and select New Cluster.

3. Enter a name for the cluster (e.g., Temp-Custom-ISO-Cluster).

4. Check the box "Manage all hosts in the cluster with a single image".

5. Under chose how to setup custom image - Compose a new image like below:

Click Next and then choose the ESXi version and add-on along with correct version which you imported in Task 1:

Click Next and then Finish.

This will create a new cluster with Image as per tour ESXi Version Build along with Vendor Add-on.

Select cluster in the left pane under Host and Cluster Menu and then click on updates tab:

On this page in the top right corner click on three dots and then choose Export :

Below page select ISO and click on Export, make sure there is no pop-up blocker. if so accept and then you can retry the same.

This will download the ISO file which will have ESXi version along with Vendor-On.

3. Delete Temporary Cluster

1. In the vSphere Client, navigate to Menu > Hosts and Clusters.

2. Right-click on Cluster you created in above step (e.g., Temp-Custom-ISO-Cluster). and delete the same.

More details: https://techdocs.broadcom.com/us/en/vmware-cis/vcf/vcf-5-2-and-earlier/5-2/create-a-custom-esxi-iso-image-using-vsphere-lifecycle-manager.html