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Esxi Registration unregistration of third-party IO filter storage providers fails on a host

While installing and testing ESXi 7 on the summary page it was showing warning message in yellow Registration/unregistration of third-party IO filter storage providers fails on a host

VMware has already KB provided for this issue - https://kb.vmware.com/s/article/55774. According to VMware this issue is caused by a transient connectivity issue between the ESXi hosts and the vCenter Server while the host is being provisioned in the vSphere cluster.

To resolve this warning you can safely ignore it click on Reset it to green.

vmware vsphere registration unregistration of third-party IO filter storage provider fails on a host acknowledge reset to green esxi vcenter server powershell alarms alerts.png

There is also a related information provided by VMware KB, but in my scenario below information doen't apply to me for my setup but it can help you as, This issue can also take place outside of workload domain creation or expansion operations if port 9080 (TCP) is blocked between the vCenter Server and the ESXi hosts. In this scenario, the noted port needs to be allowed through the firewall.

This issue can happens external of a VMware Cloud Foundation environment.

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