NSX Distributed Firewall Memory Exhaustion at Scale

NSX Distributed Firewall Memory Exhaustion at Scale

As always, when I run into an issue that takes real troubleshooting before I can fix it, and the result is something others can learn from, I mark it down as a good subject for a blog post. This “NSX Distributed Firewall Memory Exhaustion at Scale” one is very much that case. We had an … Read more

VCF 9.1: The Features That Actually Matter If You Run VCF

This blog post, VCF 9.1: The Features That Actually Matter If You Run VCF, is not a walkthrough of every new feature. A look at the changes that actually affect how you run the platform, from someone who does. VCF 9.1 shipped on May 5, and if you read the release notes end to end, … Read more

Troubleshooting NSX Manager Cluster Issues: Corfu, Connectivity, and Service Failures

For the past two days, I’ve been troubleshooting a frustrating issue with my NSX v4.2 cluster. Both nodes refused to start, showing only error code 101 in the browser with no service details (unknown state). Connectivity between nodes was inconsistent, and the Corfu service failed, making troubleshooting even more challenging. What followed was a deep … Read more

How to install-pairing HCX Manager and Connector

I don’t work with HCX(abbreviation for Hybrid Cloud Extension) for some time, installing the infrastructure at least. Recently I only used it in some VMs and Apps migrations. So it was time to build some HCX infrastructure lab, and in this How to install-pairing HCX Manager and Connector, I will explain how to do this. … Read more

HCX Manager and HCX Connector DNS are not working after deploying

When I deploy the latest versions of HCX Manager 4.4.0-build 20427536 and HCX Connector 4.4.2-build-20502808, for some reason, DNS is not set on the deploy of the OVA, and HCX Manager and HCX Connector DNS are not working after deploying. When I try to connect the HCX to vCenter (as the first option), I always … Read more

Cloud Director upgrade 10.4 NSX names matching IP error

In the last few days, I have been upgrading some of vCloud Director 9.7 and 10.2 to 10.4.x and found some problems with IP and hostname certificates. We discuss a similar error in this Cloud Director upgrade 10.4 NSX names matching IP error. I have discussed similar vCD errors before here, like this one HERE. … Read more

Critical vulnerability in Apache Log4j apply workaround for vCenter and NSX-T

In the last two days, the IT community has been on the alert because of a severe new security threat using when Apache Log4j, Which almost every software/tool out there uses this open-source. In this Critical vulnerability in Apache Log4j apply workaround for vCenter and NSX-T. We will go through a quick review on VMware … Read more

vCloud Director v10.3 vs NSX-T error Certificate is already trusted

In this blog post about vCloud Director v10.3 vs NSX-T error Certificate is already trusted, I talk about an issue that is new when you install a new vCloud Director v10.3, or you upgrade your existing vCD to v10.3. In a new vCD install, when you try to add your NSX-T (or V), you will … Read more

vCloud Director Migrations: Linux vCD external SQL DB to vCD Appliance – Part 2

In this vCloud Director Migrations: Linux vCD external SQL DB to vCD Appliance – Part 2, I will migrate a Linux vCloud Director with an external SQL Server DB into a new vCloud Director Appliance with embedded Postgres DB. Before I start, honestly, I would like that VMware could write documentation that easy to read … Read more