The vSphere Auto Deploy troubleshooting topics cover some situations when provisioning hosts with vSphere Auto Deploy does not work as expected. What to read next vSphere Auto Deploy Rule Takes Long to CompleteAfter you run an Auto Deploy rule, it takes long to complete, and you see no progress for the tasks. vSphere Auto Deploy TFTP Timeout Error at Boot TimeA TFTP Timeout error message appears when a host provisioned with vSphere Auto Deploy boots. The text of the message depends on the BIOS. vSphere Auto Deploy Host Boots with Wrong ConfigurationA host is booting with a different ESXi image, host profile, or folder location than the one specified in the rules. Host Is Not Redirected to vSphere Auto Deploy ServerDuring boot, a host that you want to provision with vSphere Auto Deploy loads iPXE. The host is not redirected to the vSphere Auto Deploy server. Package Warning Message When You Assign an Image Profile to a vSphere Auto Deploy HostWhen you run a vSphere PowerCLI cmdlet that assigns an image profile that is not vSphere Auto Deploy ready, a warning message appears. vSphere Auto Deploy Host with a Built-In USB Flash Drive Does Not Send Coredumps to Local DiskIf your vSphere Auto Deploy host has a built-in USB flash drive, and an error results in a coredump, the coredump is lost. Set up your system to use ESXi Dump Collector to store coredumps on a networked host. vSphere Auto Deploy Host Reboots After Five MinutesA vSphere Auto Deploy host boots and displays iPXE information, but reboots after five minutes. vSphere Auto Deploy Host Cannot Contact TFTP ServerThe host that you provision with vSphere Auto Deploy cannot contact the TFTP server. vSphere Auto Deploy Host Cannot Retrieve ESXi Image from vSphere Auto Deploy ServerThe host that you provision with vSphere Auto Deploy stops at the iPXE boot screen. vSphere Auto Deploy Host Does Not Get a DHCP Assigned AddressThe host you provision with vSphere Auto Deploy fails to get a DHCP Address. vSphere Auto Deploy Host Does Not Network BootThe host you provision with vSphere Auto Deploy comes up but does not network boot. Recovering from Database Corruption on the vSphere Auto Deploy ServerIn some situations, you might have a problem with the vSphere Auto Deploy database. The most efficient recovery option is to replace the existing database file with the most recent backup. Parent topic: Installing ESXi