Browsing: Guides & Tutorials

A virtual machine file lock issue rarely shows up at a convenient time. It usually appears when a VM refuses to power on, a consolidation task is stuck, a backup window has overrun, or vCenter and an ESXi host disagree about the VM’s state. That is exactly when bad habits get expensive. The temptation is to find a process, kill it, retry the power-on, and move on. Sometimes that works. Sometimes it turns a lock investigation into a corrupted disk chain, a broken snapshot tree, or an application outage that is harder to explain than the original alert. Broadcom KB314365…

Raw Device Mappings tend to show up in the places where infrastructure history is still attached to the workload. A database server was moved from physical hardware years ago. A file server needed a very large LUN before VMDK limits improved. A clustered application depended on shared storage. A storage team wanted array-level tooling to see the disk directly. At the time, the decision probably made sense. The problem is that the platform around the workload has moved forward. When you are standardizing on VCF, moving workloads into a VxRail or vSAN-backed environment, cleaning up backup architecture, or preparing a…

Virtual machine network problems rarely arrive with a clean label. The ticket usually says something like “the VM is unreachable,” “the application cannot connect,” “ping fails,” “internet access is down,” or “VMs on different hosts cannot talk.” The underlying cause might be inside the guest OS, on the VM’s virtual NIC, in the port group, on the VLAN trunk, in the distributed switch, on a bad uplink, at the physical switch, in routing, or at a firewall boundary. That is why a useful VMware troubleshooting process needs to be layered. Broadcom’s VMware KB324542 (KB 324542) frames VM network troubleshooting as…

vCenter certificate problems rarely arrive as clean, isolated maintenance tasks. They usually show up as failed logins, services that refuse to start, upgrade prechecks that suddenly block progress, or downstream trust failures in NSX, SDDC Manager, backup tools, monitoring platforms, or automation. By the time an operator is searching for “Fixcerts,” the environment is often already under pressure. That is exactly why this topic needs a deprecation-aware runbook. The older Fixcerts guidance still appears in search results because KB 322249 still documents what the script could do and even shows legacy command examples. But the important part is at the…

Storage failures in vSphere are rarely just “storage is down.” That phrase may be accurate from the application owner’s point of view, but it is not precise enough for the operator who has to decide what happens next. A host that has lost all paths to a datastore behaves differently from a host that has been told the device is permanently gone. A VM that is stalled on I/O behaves differently from a VM that vSphere HA can safely restart somewhere else. A storage fabric issue behaves differently from an administrative LUN removal. That difference is the operational line between…

Patching vCenter should not feel dramatic. The workflow in the Appliance Management Interface is straightforward: log in to VAMI, check for updates, stage, install, validate. Broadcom KB 316584 documents that basic path for vCenter Server 7.x and 8.x, including two patching options: using a URL-based repository or mounting a patch ISO as a local CD-ROM source. The problem is that the button is not the runbook. A vCenter patch becomes painful when the environment was not ready for the patch in the first place: expired root credentials, unreachable repositories, stale depot URLs, full appliance partitions, unhealthy services, missing backups, unclear…

You open the vSphere Client and instead of the inventory, you get a blunt message: No Healthy Upstream Sometimes the symptom is more explicit. The login flow may fail with: HTTP Status 400 – Bad Request Signing certificate is not valid Other times the vCenter Server Appliance looks partially alive from the outside, but core services will not come up after a reboot. In Broadcom KB316619, this pattern is tied to vCenter Server Appliance 7.x, 8.x, and 9.x symptoms where an expired STS certificate can prevent vmware-stsd from starting and disrupt internal token issuance. That distinction matters. No Healthy Upstream…

Certificates in vSphere are easy to underestimate until they become the reason vCenter will not authenticate, services will not start cleanly, NSX loses trust in its Compute Manager, or SDDC Manager stops interacting with the management domain the way it should. That is why a VMCA reset should not be treated as a generic “renew the certs” task. It is a trust-anchor decision. Broadcom KB 318767 documents how to regenerate vSphere 6.x, 7.x, and 8.0 certificates using a new self-signed VMCA certificate. The same KB now points administrators toward vCert as the improved certificate workflow tool, while still documenting the…

VMware Cloud Foundation 9.1 is not the kind of upgrade you should treat as a last-minute lifecycle task. For many customers, the move to VCF 9.1 is also a shift in operating model, lifecycle sequencing, management services, resource planning, and cross-team readiness. That is why the new VCF 9.1 Upgrade Planning Tool matters. VMware’s announcement frames the tool around a practical problem: VCF 9.1 supports a broad set of starting points, from standalone vSphere environments to combinations of vSAN, NSX, Aria Automation, VCF Operations, and full-stack VCF deployments. That flexibility is valuable, but it also means different environments may require…

AI Is Coming for Inefficiency: How Enterprise Leaders Should Redesign Work Before Automating It AI is not just another technology wave waiting for a procurement cycle, a license rollout, and a few enablement sessions. It is a pressure test on the way work actually moves through the enterprise. That is why Gartner’s framing matters. The more useful AI conversation is not “how many people can this replace?” The better question is: where is the organization spending human effort on work that should have been simplified, routed, governed, or automated years ago? Gartner’s article argues that AI-related headcount reductions are still…