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## Posts

- [VCF 4.5.0 Change DNS or NTP Servers in NSX-T](https://dmware.nl/2023/06/vcf-4-5-0-change-dns-or-ntp-servers-in-nsx-t/) - VCF 4.5.0 Change DNS or NTP Servers in NSX-T Manager In addition to our post in this link, our VCF 4.5.0 SDDC Manager started mentioning something is out of the ordinary with DNS Configuration for our NSX-T Manager(s): "DNS servers may not be uniform for all NSX-T managers. Verify using the steps from NSX-T admin
- [Cloud Foundation 9.0.x - VCF Operations for Logs deployment](https://dmware.nl/2026/08/cloud-foundation-9-0-x-vcf-operations-for-logs-deployment/) - VCF Operations for Logs: From Deployment to Day 2 Operations Deploying VMware Cloud Foundation 9 (VCF 9) is only the beginning. The real work starts once the initial SDDC is up and running and you move into **Day 2 operations**. Day 1 gives you the foundation: a management domain with vSphere, vSAN, NSX, and the
- [Diving into Holodock Deployment for VCF 9.0.2](https://dmware.nl/2026/03/diving-into-holodock-deployment-for-vcf-9-0-2/) - Introduction VMware Cloud Foundation is no longer just a roadmap discussion or a slide in a strategy deck - it is the operational backbone of modern private cloud. With the release cadence accelerating and features such as VCF Automation, Supervisor Clusters, and tighter NSX integration maturing rapidly, hands-on experience is no longer optional. It is
- [Converge vSphere 8.0 U3 environment to VCF 9.0.x](https://dmware.nl/2026/03/converge-vsphere-8-0-u3-environment-to-vcf-9-0-x/) - Introduction Migrating from a standalone VMware stack to a fully integrated cloud platform has always been more evolution than revolution. With the transition from vSphere 8.0 U3 and the traditional VMware Aria Suite Lifecycle Manager, VMware Aria Operations, and VMware Aria Automation stack toward VMware Cloud Foundation 9.0.2, that evolution becomes very tangible. What used
- [VMware Cloud Foundation 9.0.2 – VCF 9.x Upgrade, Lifecycle & Fleet Manager Explained](https://dmware.nl/2026/01/vmware-cloud-foundation-9-0-2-vcf-9-x-upgrade-lifecycle-fleet-manager-explained/) - VMware Cloud Foundation 9.0.2 – VCF 9.x Upgrade, Lifecycle & Fleet Manager Explained It has been a while since my last blog post on VMware Cloud Foundation, back then they were mostly related to components of VCF 5.x. That pause was deliberate. Over the past period, my role shifted heavily towards VCF-focused design work within Deep dive into VMware Cloud Foundation 9.0.2: what’s new, VCF 9.x lifecycle changes, upgrade paths, Fleet Manager vs Aria Suite, and design considerations for enterprise environments.
- [Accessing the VMware Download Depot After the Broadcom Transition: Step-by-Step Guide](https://dmware.nl/2025/04/accessing-vmware-download-depot-after-the-broadcom-transition-step-by-step-guide/) - Step-by-step instructions for accessing VMware software via Broadcom’s support portal, including how to use the official download script.
- [VMware Update Manager to vSphere LifeCycle Manager (vLCM) - Single Image](https://dmware.nl/2025/09/vmware-update-manager-to-vsphere-lifecycle-manager-vlcm-single-image/) - For years, VMware administrators have relied on VMware Update Manager (VUM) to keep ESXi hosts secure, consistent, and up to date. VUM worked well, but it was based on baseline patching, which often led to configuration drift, dependency challenges, and manual driver or firmware management. Starting with vSphere 7.0 Update 2, VMware introduced the vSphere
- [Upgrade VMware NSX Avi Advanced Load Balancer](https://dmware.nl/2025/07/upgrade-vmware-nsx-avi-advanced-load-balancer/) - This upgrade isn’t just another patch cycle — it’s a strategic pivot. VMware, now under Broadcom, has made it clear: the NSX-T embedded load balancer is deprecated and will be fully removed in future 5.x releases. Going forward, load balancing is delivered exclusively through NSX Advanced Load Balancer (formerly Avi), now positioned as a standalone
- [Properly restarting the NSX-T Manager Cluster (Rolling Restart)](https://dmware.nl/2023/11/properly-restarting-the-nsx-t-management-cluster/) - Sometimes it is necessary to restart all nodes in the NSX-T Manager cluster. We call this procedure the Rolling Restart. In this specific case, because a T0 Gateway showed a Failed status through a false-positive error. In our most recent case, we ran into the issue JDK-8330017. The following post shows how to restart nodes
- [SDDC Manager - 502 Bad Gateway to free up disk space - Log Rotation issue](https://dmware.nl/2025/06/sddc-manager-502-bad-gateway-to-free-up-disk-space-log-rotation-issue/) - To resolve a 502 or 503 error on an SDDC Manager and free up disk space, you can troubleshoot log rotation issues and clean up unnecessary files. First, verify that log rotation is configured correctly by checking the /etc/logrotate.conf file and the /etc/logrotate.d directory. You can also check for large files and delete them if
- [Updating Aria Operations with a Hotfix through Aria Suite Lifecycle Manager](https://dmware.nl/2025/05/updating-aria-operations-with-a-hotfix-through-aria-suite-lifecycle-manager/) - Keeping your Aria Operations environment up to date is crucial for maintaining performance, stability, and access to the latest features. In this post, we’ll walk through the process of applying a hotfix to Aria Operations using Aria Suite Lifecycle Manager. Whether you’re addressing a specific issue or preparing for a broader upgrade, this guide ensures
- [Update vCloud Usage Meter 4.8.0.0 to VCF Usage Meter 9.0.0.0](https://dmware.nl/2025/06/update-vcloud-usage-meter-4-8-0-0-to-vcf-usage-meter-9-0-0-0/) - The upgrade of VMware vCloud USage meter has always been straightforward, meaning: mounting the downloaded ISO, run the script and you're ready. However, as of version 9, the product name has changed to become more in line with the VMware VCF product portfolio, as well as authentication using an access token. Release Notes for VCF
- [Upgrade to NSX 4.2.1.0 from the NSX GUI](https://dmware.nl/2024/12/upgrade-to-nsx-4-2-1-0-from-the-nsx-gui/) - This blog post will show you the steps required to update NSX to release 4.2.1.0 from the GUI, in a manual step-by-step process. During the update you need to download the upgrade bundle file, a 8+ GB large file. You can download it through the NSX-T GUI, or through the VMware Broadcom portal Download the
- [VCF 5.2.1 – Updating to VMware ESXi 8.0 Update 3b](https://dmware.nl/2024/12/vcf-5-2-1-updating-to-vmware-esxi-8-0-update-3b/) - Follow this guide to upgrade ESXi from 8.0 U2b to 8.0 U3b in VMware Cloud Foundation 5.2.1
- [SDDC Manager has disconnected vRLI, vROps and vRSLCM accounts](https://dmware.nl/2024/04/sddc-manager-has-disconnected-vrli-vrops-and-vrslcm-accounts/) - A new blog post: our VCF environments have faced disconnected accounts in vRealize Suite Lifecycle Manager, aka Aria Suite Lifecycle Manager, for quite a while now. Actually, ever since we upgraded vRLI and vROps to a new release: vRealize Operations Manager: 8.10.x to 8.14.x vRealize LogInsight 8.10.x to 8.14.x Aria Suite Lifecycle 8.14 to 8.16
- [vSAN Stretched Clusters : Update vSAN Witness Hosts](https://dmware.nl/2025/04/vsan-stretched-clusters-update-vsan-witness-hosts/) - Maintaining the health and resilience of a vSAN Stretched Cluster requires keeping the vSAN Witness Hosts up to date. In this post, we'll cover the steps to safely and efficiently update your vSAN Witness Hosts without disrupting cluster operations. Whether you're applying patches or upgrading to a new version, this guide will help ensure your
- [Upgrade vSphere Distributed Switch](https://dmware.nl/2025/04/upgrade-vsphere-distributed-switch/) - As you are probably aware of, a Distributed Switch is a virtual switch structure that is centrally managed and distributed through vCenter Server. It offers easier configuration, some interesting features and easier management compared to standard switches. Occasionally, the distributed switch needs an update, and the process is quite straightforward. I recommend keeping your VDS
- [VMware Cloud Foundation - Flexible BOM Upgrade: update ESXi, NSX or vCenter Server through an async patch](https://dmware.nl/2025/03/vmware-cloud-foundation-flexible-bom-upgrade-update-esxi-nsx-or-vcenter-server/) - In this blog we will guide you through the process of implementig a flexible BOM Upgrade, as VMware/Broadcom likes to call it. Actually it is the process of installing one or multiple async patches through SDDC Manager. In this specific example, we will use the critical vulnerability in ESXi Security, as mentioned in VMSA-2025-0004. This
- [NSX 4.1 - Alarms indicating Corfu certificates are expired or about to expire](https://dmware.nl/2024/05/nsx-4-1-alarms-indicating-corfu-certificates-are-expired-or-about-to-expire/) - Recently, after we have updated 3.2 to 4.1 NSX-T appliances, as part of the VCF 4.5.2 to 5.1.1 change, many Corfu certificates seemed to be expired. We were not aware of Corfu certificates. However, a quick Google query let us to the KB94898 , which showed us exactly what to do: run a script and
- [VCF 5.2.1 - Updating to vCenter Server 8.0 U3d using the Async Patch for security (VMSA-2024-0019)](https://dmware.nl/2024/12/vcf-5-2-1-updating-to-vcenter-server-8-0-u3c-vmsa-2024-0019/) - In this second blog post - out of three steps - we will guide you through the required update steps to update vCenter Server 8.0 U2 to 8.0 U3d, as part of the VCF 5.1.1 through SDDC Manager. The keen-eyed reader might know that the vCenter Server 8.0 U3d release is not part of the
- [Updating to Cloud Foundation 5.2.1 : SDDC Manager](https://dmware.nl/2024/10/updating-to-cloud-foundation-5-2-1-sddc-manager/) - "VMware Cloud Foundation is a multi-cloud platform that provides a full-stack hyperconverged infrastructure (HCI) that is made for modernizing data centers and deploying modern container-based applications." In this first - out of four steps - we will guide you through the required update steps to update VCF 5.1.1.0 to 5.2.1.0 through SDDC Manager. Next to
- [Update VMware Cloud Director](https://dmware.nl/2025/01/update-vmware-cloud-director/) - Even though I have performed these steps numerous times, the VMware Cloud Director update has never been written down, at least not by me in this blog. Despite there are only a few steps, a picture says more than a thousand words. This blog is based on the VMware documentation is based on: Upgrade Your
- [VCF 5.2.1 - Upgrade vSAN Disk Format Using vSphere Client or RVC](https://dmware.nl/2025/02/vcf-5-2-1-upgrade-vsan-disk-format-using-vsphere-client-or-rvc/) - On a regular basis, the ESXi hypervisors in your environment are updated. When updating to major updates (e.g. ESXi 8.0U3), you have the option to update your vSAN On-Disk Format as well. This allows you to use the new vSAN features for the (major) update/upgrade. Of course, this only applies once you have vSAN running
- [Async Patches implementation with SDDC Manager 5.2.1.0](https://dmware.nl/2025/01/async-patches-implementation-with-sddc-manager-5-2-1-0/) - This blog post shows the steps required to implement an async patch with SDDC Manager (5.2.0.0). Previously, you were able to download async patches using a CLI procedure, which I also wrote about. As of VCF 5.2.x a feature has been introduced that allows administrators to implement async patches through the SDDC Manager GUI. An
- [VCF 5.2.1 - Upgrade to NSX 4.2.1 from SDDC Manager](https://dmware.nl/2024/11/vcf-5-2-1-upgrade-to-nsx-4-2-1-from-sddc-manager/) - This second post on Updating to VCF 5.2.1.0 highlights the steps to take on how to update to VMware Cloud Foundation 5.2.1.0, and NSX-T 4.2.1.0 specifically. According to Bill-of-Materials in the release notes, this NSX-T release is specific to VCF 5.2.1.0. We will guide you through the required update steps to update VCF 5.1.1.0 to
- [Async Patch cannot be used in SDDC Manager 5.2.1](https://dmware.nl/2024/11/async-patch-cannot-be-used-in-sddc-manager-5-2-1/) - Imagine: you have recently upgraded to VCF 5.2.1.0, and ready to apply the vCenter Server 8.0 Update 3d async patch (VMSA-2024-0019.2) You have downloaded the correct file. Note the version: VMware Software Update 1.1.1.1 And even despite restarting SDDC Manager itself, you can't figure out why the Plan Patching phase seems to remain empty. No
- [VMware Cloud Director 10.6 Upgrade fails with generic error "Error while running installation tests and post-install scripts"](https://dmware.nl/2024/10/vmware-cloud-director-10-6-upgrade-fails-with-generic-error-error-while-running-installation-tests-and-post-install-scripts/) - Here we are again: a VMware Cloud Director Upgrade fails with some generic error: Error while running installation tests and post-install scripts The steps leading into this, using the Installation/Upgrade documentation by VMware-Broadcom themselves: The first thing you do is check the log file updatecli.log, which can be found in /opt/vmware/var/log/vami/updatecli.log. You will find
- [Aria Suite Lifecycle No Upgrade available](https://dmware.nl/2024/08/aria-suite-lifecycle-no-upgrade-available/) - I have run across this issue several times now, and re-invented the wheel the same number of times. Even though there is a KB article on this specific topic, it does not show the resolution, since its cause is different. And by the way, it was mentioned in the Release Notes for Aria Suite Lifecycle
- [Upgrading your VMware HomeLab: running OPNsense with 2.5Gbps speeds](https://dmware.nl/2024/07/upgrading-your-vmware-homelab-running-opnsense-with-2-5gbps-speeds/) - Imagine the following... You are running a home lab with at least two ESXi hosts in a cluster. vMotions are somewhat slow, especially compared to what you're used to at the office, your work. You want this to speed up You are still running at a 1Gbps network, just like at many other places. You're
- [Automatically remove snapshots in vSphere 8.0 Update 3 using retention](https://dmware.nl/2024/08/automatically-remove-snapshots-in-vsphere-8-0-update-3/) - Ever since the release of vCenter Server 8.0 Update 3, a new feature has been available: scheduled removal of snapshot. This is the result of a frequent request to allow for deletion of snapshots after (manual) creation. In normal circumstances, these snapshots are removed manually after a day. However, we all know this sometimes gets
- [VMware Cloud Director CloudCell is not active](https://dmware.nl/2024/09/vmware-cloud-director-cloudcell-is-not-active/) - A short blog post to help you all a little further... And all of a sudden one of your CloudCell nodes seem not active. While you Aria Operations Cloud Director adapter does not mention anything out of the ordinary, there certainly is no connection to the portal/provider login page. The following (HTTP) error appears: HTTP
- [Remove a failed task in SDDC Manager - Cloud Foundation](https://dmware.nl/2024/07/remove-a-failed-task-in-sddc-manager-cloud-foundation/) - When using the SDDC Manager, it sometimes occurs that certain tasks, whether or not initiated through the API Explorer, fail or get halted. This blog post discusses how to remove such a failed task. In this case we tried to expand a stretched cluster with the wrong fault-domain name. The cause here was that the
- [Update NSX from the User Interface](https://dmware.nl/2024/07/update-nsx-t-from-the-user-interface/) - Every once in a while, whether or not it is security, bugfix or feature related, it is necessary to update NSX. Even though NSX is possibly part of your VCF stack, and hence the update is as well, you can still update the standalone NSX through its User Interface. This basically involves (1) downloading and
- [Create a custom ESXi ISO Image through vSphere LifeCycle Manager](https://dmware.nl/2024/05/create-a-custom-esxi-iso-image-through-vsphere-lifecycle-manager/) - This blog post deals with a feature that has been available in vSphere since vSphere 8.0 U1, however not many people know about this. VMware has documented this as well. I'm blogging about this, because not many administrators know about this relatively unknown feature. The feature allows you to create customized images through vSphere LifeCycle
- [SDDC Manager 5.1.1 - vCenter Upgrade 7.0 U3 to 8.0 U2](https://dmware.nl/2024/06/sddc-manager-5-1-1-vcenter-upgrade-7-0-u3-to-8-0-u2/) - In this second blog post - out of three steps - we will guide you through the required update steps to update vCenter Server 7.0 U3 to 8.0 U2, as part of the VCF 5.1.1 through SDDC Manager. You will find many pictures and references to documentation, such as: Release Notes for Cloud Foundation 5.1.1,
- [Backup your vCenter Appliance to Synology Diskstation](https://dmware.nl/2024/05/backup-your-vcenter-appliance-to-synology-diskstation/) - This blog describes how to create a share on your Synology Diskstation NAS, and backup your vCenter Server Appliance configuration using the VAMI to your Network Attached Storage appliance. If you're looking for a way to backup your Virtual Machines... This is also possible through your Synology Diskstation, using the Active Backup for Business application,
- [Restore your file-based vCenter backup using the vCenter Server Appliance ISO](https://dmware.nl/2024/05/restore-your-file-based-vcenter-backup-using-the-vcenter-server-appliance-iso/) - This blog post highlights the steps involved to restore your file-based backup to a newly deployed vCenter Server. Requirement: the VMware vCenter Server Appliance ISO consists of three installer types: Windows, Linux or Mac The ISO disk image includes the UI and CLI installer for install, upgrade and migration for VMware vCenter Server Appliance. In
- [Update vCenter Appliance from the VAMI](https://dmware.nl/2024/04/update-vcenter-appliance-from-the-vami/) - This blog post describes the easy few steps to upgrade vCenter Server through the VAMI. If you're looking for the faster method with Reduced Downtime Upgrade (RDU), available from vCenter 8.0 GA onwards, please check KB92659, or one of my next blog posts. Things not to forget: Read the Release Notes, in my case for
- [Updating to Cloud Foundation 5.1.1 : SDDC Manager](https://dmware.nl/2024/05/updating-to-cloud-foundation-5-1-1-sddc-manager/) - In this first - out of three steps - we will guide you through the required update steps to update VCF 4.5.0 to 4.5.2 through SDDC Manager. You will find many pictures and references to documentation, such as: Release Notes for Cloud Foundation 5.1.1, including Bill-of-Materials Updating to Cloud Foundation 5.1.x KB95434 : Important information
- [Upgrading VMware Aria Suite Lifecycle](https://dmware.nl/2023/11/upgrading-vmware-aria-suite-lifecycle/) - VMware Aria Suite Lifecycle delivers complete lifecycle and content management capabilities for VMware Aria Suite products. For this blog post, Aria Suite Lifecycle allows administrators to update, patch or upgrade VMware Aria products, like Operations, Operations for Logs, as well as for Operations for Networks. Aria Suite Lifecycle safely keeps the products in the VMware
- [Updating Aria Operations for Logs from Aria Suite Lifecycle](https://dmware.nl/2023/12/updating-aria-operations-for-logs-from-aria-suite-lifecycle/) - Aria Operations for Logs, formerly known as vRealize LogInsight, is log analysis tooling that allows faster troubleshooting across environments, as well as operational visibility. While LifeCycle Management for Aria Operations for Logs can be managed through the tooling itself, the Aria Suite Lifecycle allows you to manage it on the suite's management level. In our
- [How to upgrade VMware Aria Operations through Aria Suite Lifecycle - A Step by Step guide](https://dmware.nl/2024/01/how-to-upgrade-vmware-aria-operations-through-aria-suite-lifecycle-a-step-by-step-guide/) - In one of our previous posts, we have updated the VMware Aria Suite Lifecycle environment, as well as Aria Operations for Logs. Now it is time to install an update to one of its applications, VMware Aria Operations, up to level 8.14.1. When wondering what's changed in Aria Operations 8.14 since previous versions, please check
- [My first VMUG session](https://dmware.nl/2024/03/my-first-vmug-session/) - Dear blog reader, Some two months back I was asked to join and present a VMUG session with the world's largest VMware User Group, the VMUGNL Usercon 2024. I must admit that I was surprised to be asked, but also moved and honoured at the same time; I did not expect this, and to present
- [Aria Suite Lifecycle - Aria Operations - Migrating Remote Collectors to Cloud Proxies using Aria Suite Lifecycle](https://dmware.nl/2024/03/aria-suite-lifecycle-aria-operations-8-16-1-migrating-remote-collectors-to-cloud-proxies-using-aria-suite-lifecycle/) - While trying to update Aria Operations 8.14.1, basically like we did earlier, we ran into the issue that the Remote Collectors are required to be updated to (native) Cloud Proxies. Even though it is mentioned in the Release Notes, I must say that the Aria Operations Admin Interface was not too clear about this either.
- [Updating to Cloud Foundation 4.5.2.0 : NSX-T Manager 3.2.3.1](https://dmware.nl/2024/03/updating-to-cloud-foundation-4-5-2-0-nsx-t-manager-3-2-3-1/) - This second post on Updating to VCF 4.5.2.0 highlights the steps to take on how to update to VMware Cloud Foundation 4.5.2.0, and NSX-T 3.2.3.1 specifically. According to Bill-of-Materials in the release notes, this NSX-T release is specific to VCF 4.5.2.0. We will guide you through the required update steps to update VCF 4.5.0.0 to
- [Updating to Cloud Foundation 4.5.2.0 : SDDC Manager](https://dmware.nl/2024/03/updating-to-cloud-foundation-4-5-2-0-sddc-manager/) - In this first - out of three steps - we will guide you through the required update steps to update VCF 4.5.0 to 4.5.2 through SDDC Manager. You will find many pictures and references to documentation, such as: Release Notes for Cloud Foundation 4.5.2.0, including Bill-of-Materials Updating to Cloud Foundation 4.5.x The steps involve: Login
- [My Homelab](https://dmware.nl/2023/04/my-homelab/) - As a Virtualization Specialist I started running my private virtual machines in 2014 on my Intel DC3217IYE NUC with 16GB of RAM. My Homelab consists of a vSphere environment with two physical Intel NUC ESXi hosts. Ever since I migrated to newer Intel NUCs, such as NUC6i5SYH, NUC7i5BNH and my current two Intel NUC8i5BEH maxed
- [Subscribed Content Library fails to synchronize](https://dmware.nl/2024/01/subscribed-content-library-fails-to-synchronize/) - vSphere Content Library fails to synchronize Out of the box, vSphere Content Libraries are seldomly used in Enterprise environments. However, they can be quite helpful synchronizing your Golden Images (VM or vApp Templates) across your vSphere environments. The concept of Content Libraries can automate the distribution of such templates easily. For example, to synchronize the templates
- [Renewing NSX-T LocalManager certificates](https://dmware.nl/2023/12/renewing-nsx-t-localmanager-certificates/) - Expiring certificates occur every so often. It is best to have the replaced or renewed before the expiration date. In our NSX-T environment, the LocalManager, mp-cluster and tomcat certificates are bound to expire. Among others, this will disallow the SDDC Manager precheck on certain clusters to proceed an upgrade. The LocalManager is used to interconnect
- [VCF 4.5.0 precheck fails with failed rotation workflows](https://dmware.nl/2023/07/vcf-4-5-0-precheck-fails-with-failed-rotation-workflows/) - Very recently, we required a vCenter Update in our VCF 4.5.0 environment. In this case, we were using the AsyncPatch Tool for VMSA-2023-0014 One of the steps required is to run a VCF precheck on the workload domain. However, the upgrade precheck failed on the "Failed Password/Certificate Rotation" Workflows. It immediately rang a bell: our
- [Upgrade vSAN Disk Format Using RVC](https://dmware.nl/2023/10/upgrade-vsan-disk-format-using-rvc/) - On a regular basis, the ESXi hypervisors in your environment are updated. When updating to major updates (e.g. ESXi 8.0U1), you have the option to update your vSAN On-Disk Format as well. This allows you to use the new vSAN features for the (major) update/upgrade. Of course, this only applies once you have vSAN running
- [Remove stuck VAMI backup jobs in five steps](https://dmware.nl/2023/10/remove-stuck-vami-backup-jobs-in-five-steps/) - Some months ago, a VAMI vCenter backup job was not finished successfully; the job was canceled manually. Unfortunately, the canceling itself failed and the backup process was stuck at 95%. Also, it stayed visible in the Backup Interface for several months. Since this was only an aesthetic issue, and backup functionality itself was still functioning,
- [Secure Boot on ESXi](https://dmware.nl/2023/09/secure-boot-on-esxi/) - What is Secure Boot Secure Boot is a security feature to prevent malicious software from loading when your system boots. With Secure Boot in use, a machine refuses to load any UEFI (Unified Extensible Firmware Interface) driver or application unless the operating system bootloader is cryptographically signed. In vSphere 6.5 and later, ESXi supports secure
- [My vExpert Award](https://dmware.nl/2023/07/my-vexpert-award/) - I have been granted the vExpert award for 2023! This award is a recognition for my contributions to the VMware Community. A little over a month ago, I was triggered by a VMware blog by cromero. Even though I recently started blogging, and this was the second -2023H2- application period, I was not sure this would
- [Restore vSAN Skyline Health Check Alerts through RVC](https://dmware.nl/2023/08/restore-vsan-skyline-health-check-alerts-through-rvc/) - Have you ever wanted to restore the previously silenced Skyline Health Checks, but you could not do this the normal way, meaning through the vSphere GUI? The alternate method is through the RVC, Ruby vSphere Console, a way to somewhat visually manage your vSphere environment using the CLI. RVC is an interactive command-line console user
- [NSX-T CheatSheet](https://dmware.nl/2023/04/nsx-t-cheatsheet/) - In this section some basic CLI commands for nsxcli will be provided. These can be used for troubleshooting. Please take into account the NSX-T Data Center Administration Guide for NSX-T 3.2 here. # Logical Switching Common switching problems N-VDS is incorrectly configured on a host Overlay tunnel (GENEVE) is misconfigured TEPs unable to reach each
- [VCF - Using the Async Patch Tool](https://dmware.nl/2023/06/vcf-using-the-async-patch-tool/) - Has the installation of patches through Cloud Foundation always been straightforward for you? …. Well, that's not always the case. This post guides you through the process of downloading these (vCenter patch) bundles through Cloud Foundation using the Async Patch Tool. You can also apply this to NSX-T or ESXi host patches. The Async Patch
- [PhotonOS Configuring Cronjobs](https://dmware.nl/2023/05/photon-os-cronjobs/) - While using VMware's Photon OS more regularly, some basic activities might be required, one such topic is the creation of cronjobs : creating and managing cronjobs, schedules Using cronjobs to schedule tasks or operations You use so called cronjobs in Linux or Photon OS to schedule tasks to automate on a frequent basis. Using cronjobs
- [Credential Management from GRUB](https://dmware.nl/2023/03/credential-management-from-grub/) - Have you locked your root account in your Linux / PhotonOS system, or need to reset the password? You can find your solution here. You can easily use GRUB to unlock and reset your root account, based on KB76530. Restart your vCenter Server Appliance, your vROps, vRLI or vRA Appliance and wait for the Photon
- [NSX-T Management service has failed](https://dmware.nl/2023/04/nsx-t-management-service-has-failed/) - After backup, the NSX-T Management (SSH) service has failed. According to VMware Support, this can be due to the NSX-T backup that seems to disable the NSX-T Management Service after the backup job starts. This is supposed to be resolved with the next release of NSX-T, currently version 3.2.1.2 (from VCF 4.5.0). However, VMware advised
- [PowerCLI Disable deprecated protocols (TLSv1, TLSv1.1 and SSLv3)](https://dmware.nl/2023/04/powercli-disable-deprecated-protocols-tlsv1-tlsv1-1-and-sslv3/) - It is a best practice to disable deprecated, unused and unsafe protocols. Examples of these are RFC 8996 for TLSv1.0 and TLSv1.1 as well as RFC7568 for SSLv3 In this article it is shown how to automate this through PowerCLI VMware has published how to do this. However, they have not shown how to do

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