Registration/unregistration of third-party IO filter storage provider fails on a host.
"/var/log/vmware/vmware-sps/sps.log
of vCenter Server:ERROR opId=xxxxxxx-xxxxxx com.vmware.vim.sms.StorageManagerImpl - [resyncIOFilterProviders] Operation resyncIOFilterProviders failed for providers: [https://##.##.##.##:9080/version.xml, https://##.##.##.##:9080/version.xml]
ERROR opId=xxxxxxx-xxxxxx com.vmware.vim.sms.provider.ProviderFactory - Error during the validation of the provider URL
java.net.SocketTimeoutException: connect timed out
VMware ESXi 7.x
VMware ESXi 8.x
ESXi I/O filter port 9080 is blocked accessing from vCenter server by firewall.
# curl --insecure https://##.##.##.##:9080/version.xml
If port 9080 can be reached out the output is similar with below:<?xml version="1.0" encoding="UTF-8"?>
<vasa-provider>
<supported-versions>
<version id="2" serviceLocation="/axis2/services/vasaService" />
</supported-versions>
</vasa-provider>
If connection failed check 3rd-party firewall to open the ESXi host port 9080 accessing from vCenter Server.