Known Security Issues The following topics describe known security issues and workarounds. Child TopicsKnown Issues The following are known security issues and workarounds. Disabling IPMIIf you are not using IPMI over LAN for monitoring or management using third-party tools, disable IPMI on all nodes in the system in order to close a security vulnerability. Prevent certificate errors when ESXi hosts are added using hostnames When hosts are added to the vCenter using hostnames, a certificate alert raised by the AMS, and certificate renewal fails. Edit the ams.properties file to prevent occurrence of this issue.