After you install vCenter Server or deploy the vCenter Server Appliance, consider these postinstallation options before adding inventory for the vCenter Server to manage. Log in to vCenter Server by Using the vSphere Web ClientLog in to vCenter Server by using the vSphere Web Client to manage your vSphere inventory. Collect vCenter Server Log FilesAfter you install vCenter Server, you can collect the vCenter Server log files for diagnosing and troubleshooting purposes. Install or Upgrade vSphere Authentication ProxyInstall vSphere Authentication Proxy to enable ESXi hosts to join a domain without using Active Directory credentials. vSphere Authentication Proxy enhances security for PXE-booted hosts and hosts that are provisioned using Auto Deploy by removing the need to store Active Directory credentials in the host configuration. Uninstall vCenter ServerYou must have administrator privileges to uninstall VMware vCenter Server. Repoint vCenter Server to Another External Platform Services ControllerJoining external Platform Services Controller instances in the same vCenter Single Sign-On domain, ensures high availability of your system. Reconfigure a Standalone vCenter Server with an Embedded Platform Services Controller to a vCenter Server with an External Platform Services ControllerIf you have deployed or installed a standalone vCenter Server instance with an embedded Platform Services Controller and you want to extend your vCenter Single Sign-On domain with more vCenter Server instances, you can reconfigure and repoint the existing vCenter Server instance to an external Platform Services Controller. Reconfigure Multiple Joined Instances of vCenter Server with an Embedded Platform Services Controller to vCenter Server with an External Platform Services ControllerIf you have deployed or installed two or more joined instances of vCenter Server with an embedded Platform Services Controller, you can reconfigure them as multiple vCenter Server instances that are using joined external Platform Services Controller instances.