VSphere

In today’s dynamic IT environments, maintaining a secure and efficient infrastructure is paramount. For VMware vSphere administrators, managing the firewall settings on vCenter servers is a critical task that ensures the security of the entire virtualized infrastructure. Ansible, an open-source automation tool, offers a streamlined approach to managing firewall settings across multiple vCenter servers. This blog post will guide you through automating vCenter server firewall configurations using Ansible, showcasing how to apply these changes across multiple servers seamlessly. ...

In the realm of VMware vSphere management, securing your vCenter Server is critical to maintaining a robust and secure infrastructure. SaltStack Config, integrated into VMware’s vRealize Automation suite, offers a powerful way to automate and manage configurations across your VMware environment, including firewall settings. This blog explores how to leverage SaltStack Config to automate firewall adjustments on your vCenter servers, ensuring consistent security policies and simplifying the process across multiple instances. ...

VMware PowerCLI can manage the firewall exceptions on ESXi hosts through vCenter Server. The commands in this guide change the SSH Server firewall exception on ESXi; they do not configure the firewall of the vCenter Server Appliance (VCSA). Enabling this exception permits inbound SSH traffic through an ESXi host’s firewall. It does not start the SSH service. Opening SSH on many hosts also increases the management-plane attack surface, so target only the hosts that require access and disable the exception as soon as the work is complete. ...

As I was installing\upgrading my lab environment to ESXi 7.0 I received an error that the CPU was unsupported. As per the release notes vSphere 8.0 release notes my CPU is no longer on the compatibility list. Since this is a lab environment I wanted to continue using my current hardware. It goes without saying that this method should not be used in a production environment. To allow the legacy CPU all I had to do is boot up from the ISO, on the boot Menu I pressed TAB or Shift + O and added allowLegacyCPU=True option as seen in the screenshot below ...

Migrating virtual machines (VMs) from a cloud environment to an on-premises VMware vSphere infrastructure can be a daunting task. However, with the right tools and processes in place, it can be a seamless and efficient process. One such tool is the VMware Converter, which enables users to convert native cloud VMs\physical servers to vSphere machines. In this blog post, we will discuss the benefits and challenges of converting cloud VMs and provide a step-by-step guide for using VMware Converter to achieve this goal. ...

Important safety update (August 25, 2026): Do not manually remove NSX VIBs with esxcli software vib remove. Broadcom documents that this method is unsupported and can cause loss of management or workload networking. The executable removal guidance previously shown on this page has been removed. Use the current follow-up instead: Safely Removing Stale NSX VIBs from an ESXi Host. It starts with the NSX Manager removal workflow and covers the narrower stale-package condition where Broadcom directs administrators to use nsxcli -c del nsx while the host is in maintenance mode. ...

VMware vRealize Operations (vROps) is a comprehensive solution for managing the performance and capacity of virtual environments. It offers several workload optimizations to help administrators balance resource utilization, meet SLAs, and ensure optimal performance. These optimizations go beyond what is possible with traditional Distributed Resource Scheduler (DRS) and can provide numerous benefits to organizations. In this blog, we will explore some of the advantages of using vROps workload optimizations over regular DRS. ...

When it comes to managing large, complex IT infrastructure, two of the most popular tools are VMware vRealize Automation (vRA) and Puppet. Both tools have their strengths and weaknesses, but in this article, we will examine why you might choose vRealize Automation over Puppet. Where vRA Outshines Puppet Integrated Management: vRA integrates with VMware’s vSphere virtualization platform, allowing for a seamless management of virtual machines (VMs). With Puppet, you would need to use additional tools to manage your virtual environment. Cloud Management: vRA is capable of managing both on-premise and cloud infrastructure, making it an ideal solution for hybrid cloud environments. Puppet, on the other hand, is primarily focused on on-premise deployments. Automation: Automation is at the core of both vRA and Puppet. However, vRA provides a more comprehensive automation solution with its built-in workflows and drag-and-drop design. This makes it easier for users to automate their infrastructure without having to write complex code. Self-Service: vRA provides a self-service portal for users to request and manage their own resources, reducing the burden on IT. Puppet does not have this capability, making it a less attractive option for organizations looking to implement a self-service model. Cost: vRA is a commercial product and is typically more expensive than Puppet. However, the added features and integration with other VMware products make it a more cost-effective solution in the long run. The Verdict In conclusion, if you are looking for a comprehensive and integrated management solution that covers both on-premise and cloud environments, then vRealize Automation is the way to go. It provides a more user-friendly automation solution, with a self-service portal, making it easier for users to manage their infrastructure. However, if you are on a tight budget and have a primarily on-premise deployment, Puppet might be a better fit for your organization. ...

vSphere Resource Management with vRealize Operations (vROPs) DRS across multiple data centers is a critical requirement for managing large-scale virtualized environments. In this blog, we’ll discuss the requirements for using DRS in vROPs across multiple data centers. Cross vCenter vMotion (CVC-vMotion) Support: CVC-vMotion enables vMotion of virtual machines across multiple vCenter servers. This capability is a pre-requisite for vROPs DRS across multiple data centers. vCenter Server 6.7 Update 1 or later: vROPs DRS across multiple data centers requires vCenter Server 6.7 Update 1 or later. This ensures that the necessary APIs are available to enable vROPs to manage resources across multiple vCenter servers. Network Connectivity: All data centers should have a reliable and high-speed network connectivity, with the necessary firewall ports opened for communication between vCenter servers and vROPs instances. vROPs Replication: vROPs instances in different data centers must be able to communicate with each other. vROPs replication can be used to keep the data in all vROPs instances in sync, ensuring that the vROPs DRS decisions are based on consistent data. Same vROPs version: All vROPs instances must be running the same version of vROPs to ensure compatibility and prevent any issues with data consistency. Same vROPs license: All vROPs instances must be licensed with the same vROPs license, and the license should include the vROPs DRS capability. Cluster Configuration: The virtual machines that need to be managed by vROPs DRS must be in a vSphere cluster that spans across multiple vCenter servers. The vSphere cluster must be configured with the appropriate DRS settings, such as automated DRS, to ensure that vROPs DRS can make effective resource management decisions. In conclusion, vROPs DRS across multiple data centers is a powerful tool for managing virtualized environments at scale. By following these requirements, organizations can ensure that their vROPs DRS implementation is effective, efficient, and reliable.

The Distributed Resource Scheduler (DRS) is a key component of the vSphere platform, and is used to manage resource allocation and workload distribution within virtualized data centers. DRS works by analyzing resource utilization and workload demands of virtual machines (VMs) and making recommendations for placement and resource allocation based on a set of rules. DRS Rules in vROps In the context of vRealize Operations Manager (vROps), DRS rules play an important role in ensuring optimal performance and utilization of virtualized resources. By using vROps, administrators can monitor resource utilization and workload demands in real-time, and make informed decisions about resource allocation based on this data. ...