Category

Category: VCF

The “VCF” blog category focuses on VMware Cloud Foundation, an integrated cloud infrastructure platform from VMware. This category features a variety of content, including detailed tutorials, case studies, analytical articles, and the latest updates related to VMware Cloud Foundation.

VCF

vCenter Certificate Alarm After Renewal? Check the Backup Stores

Why a vCenter certificate alarm can point to an old rollback copy in BACKUP_STORE or BACKUP_STORE_H5C, and how to verify and clear it with vCert.

8 min read
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VCF

Microsoft Secure Boot Certificate Expiration in vSphere VMs (KB 423893): What to Do in 2026

Microsoft KEK and UEFI CA 2011 expired in June 2026. What it means for vSphere VMs with Secure Boot, and how SilentPK (8.0 U3j) and Capsule PK (9.1.1) fix it.

3 min read
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VCF

“STS Signing Certificates are about to expire”: vCenter STS Certificate Guide (7, 8, 9)

vCenter alarm “STS Signing Certificates are about to expire”? Check the STS certificate, renew it in vSphere Client or vCert, avoid No Healthy Upstream.

9 min read
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VCF

VCF 9.x Upgrade Stuck on vRNI / Aria Operations for Networks SSL Thumbprint Validation

VCF 9.x upgrade keeps failing on the vRNI / Aria Operations for Networks thumbprint after a cert change? Clear the stale thumbprint cached in SDDC Manager.

5 min read
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VCF

Holodeck 9.0.2 with VCF 9.0.2.0 Stuck at Install-VcfInstallerBundles

Holodeck 9.0.2 with VCF 9.0.2.0 hangs at Install-VcfInstallerBundles: why the API returns 8 bundles, the PowerShell workaround, and the proper fix.

7 min read
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VCF

KB 406901: Fix “Certificate authorities update failed” in the VCF Management CA Wizard (VCF 9.0)

VCF 9.0 CA wizard: “Certificate authorities update failed” and 401 Unauthorized? A # or & in the CA service account password causes it (KB 406901).

2 min read
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VCF

Accelerating AI Workloads: Mastering vGPU Management in VMware Environments

Recap of Explore 2025 session INVB1158LV: managing NVIDIA vGPU for AI/ML workloads in VMware, vGPU profiles, MIG and placement tips.

2 min read
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VCF

Deploying a Minimal VCF 9.0 Lab – Insights from Explore 2025

Deploy a minimal VCF 9.0 lab on 2–3 hosts: single-host domain flag, NIC speed bypass, vSAN ESA HCL mock VIB, HTTP offline depot and a sample hardware BOM.

4 min read
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VCF

Holodeck for VCF 9 (9.0.2 and 9.1): HoloRouter, Home Lab Requirements, Deployment Steps and Known Issues

Holodeck 9.1 deploys nested VCF 9.1, 9.0.x and 5.2.x labs. HoloRouter, host requirements, download location, deployment commands and known issues.

6 min read
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