vCenter GUI ‘error’ – “no healthy upstream”, vCenter server (vmware-vpxd) service would not start!

Reading Time: 2 minutes vCenter GUI shows an error – “No healthy upstream”. Trying to start “vCenter Server (vmware-vpxd) Service” shows – “An error occurred while starting service ‘vpxd’”. Trying to access vCenter login page would show – “[400] An error occurred while sending an authentication request to the vCenter Single Sign-On server – An error occurred when processing the metadata during vCenter Single Sign-On setup – Failed to connect to VMware Lookup Service https://:443/lookupservice/sdk – SSL certificate verification failed.”…

Quick Tip: VCF deployment (via VLC) on vSphere 7 Update 1 – Error “Cluster xxxx does not have any hosts”

Reading Time: 2 minutes As the title suggests, this blog is a quick tip on how to resolve the VCF (via VLC) deployment issue on vSphere 7 Update 1, which throws the following errors – “Cluster xxxx does not have any hosts” OR “Cluster xxxx will need HA disabled and DRS either set to partially automated or manual to use”, followed by “please check portgroup security policies and click the Connect button again”…

Migrate ESXi from vSS to vDS v7.0 – Fails: ThrowableProxy.cause

Reading Time: 2 minutes Unable to Migrate ESXi Host(s) from vSphere Standard Switch (vSS) to vSphere Distributed Switch (vDS). Environment – ESXi v7.0, vCenter v7.0, vDS v7.0. ESXi Host(s) either loose connectivity or the network changes are rolled back when trying to migrate from vSS to vDS. The vSS has two active vmnics (pNICs) and the migration to vDS fails, even with a single vmnic migration…

NSX-T Installation Series: Step 0 – High Level Design

Reading Time: 3 minutes Before any product deployment, it is common practice to document an architecture design and most enterprises follow some sort of framework e.g. TOGAF that helps organize concepts, knowledge and understanding. Therefore, I thought it would be ideal to compose “Step 0” of this ‘step-by-step’ Installation series, to help visualize the overall design and component placement…