Convert Thick-Provisioned VMs to Thin on vSAN and Reclaim Storage

In this post, I’ll explain how easy and non-distrustfully it is to convert Thick disks to Thin on vSAN. Firstly you should understand that objects on vSAN are all thinly provisioned by default and there is no real concept of Thick disks. Instead, vSAN has the concept of Space Reservation, defined by the Storage-Policy ruleset Object…

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Invalid vCenter Cert using macOS Catalina and Chrome

I had redeployed my home lab vCenter appliance, and upon attempting to access the vCenter UI, I was denied access and encountered the following error “NET::ERR_CERT_INVALID“ Details in the Error vc.virtuallywired.io normally uses encryption to protect your information. When Google Chrome tried to connect to vc.virtuallywired.io this time, the website sent back unusual and incorrect…

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VMware Releases NSX Data Center for vSphere 6.4.8

VMware Released NSX Data Center for vSphere 6.4.8 to replace 6.4.7 due to a bug which you can read more about here. Resolved Issues in 6.4.8 Fixed Issue 2614777: DFW Rule Publish fails if a rule is comprised of two services with overlapping service port/range of service ports.DFW rule publish fails. VMware NSX Data Center for vSphere…

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NSX 6.4.7 – DFW Rule publish operation failed with service profile configuration in existing firewall rules

This morning I wasn’t able to find the binary and release notes for NSX-V 6.4.7. It turns this release was pulled overnight due to a bug – DFW Rule publish operation failed with service profile configuration in existing firewall rules in 6.4.7 (80238). Update: VMware has released NSX 6.4.8 (10th August 2020) which resolves this…

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vCenter 7 Pre-Update Checks Error, Please Provide a Valid Version

I stumbled across this error when attempting to perform a Pre-Update check on my vCenter server. “Update 7.0.0.10400 not found. Please provide a valid update version” and “Update 7.0.0.10600 not found. Please provide a valid update version” This is a potentially a bug with Release 7.0.0.10300 vCenter Build 16189094. I decided to check the VAMI…

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Incorrect Product Forwarding Class on vDS When Upgraded via PowerCLI

I recently encountered network issues on a VM migrated to a new host, it turns out it was due to a mismatch on the “Product_Forwarding_Class” between the host and vDS. The Forwarding Class configured for vDS version 6.5.0 and below is “etherswitch”, and from vDS version 6.6.0, and above the Forwarding Class is “cswitch” When upgrading my vDS from…

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Install Free SSL Certificate for vSphere 7 Home Lab

Last year I wrote the follow guide Install Free Let’s Encrypt SSL Certificate for your vCenter 6.7 Lab. The certificate was issued by Let’s Encrypt via a project called ZeroSSL. Recently ZeroSSL stopped using Let’s Encrypt, and started issuing the certificates themselves, therefore the process to generate the certificate outlined in that guide is no longer…

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Fix Error, You cannot visit site right now because the website uses HSTS

I faced this error on Chrome. You cannot visit “site” right now because the website uses HSTS. The HTTP Strict-Transport-Security response header (HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP, therefore, preventing access. I received this error because I had accessed this URL previously with a…

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