OS Imaging and Deployment Software
OS Deployer Fails to Create Rescue Media on WDS Server
One can put the bootable data of ManageEngine Rescue Media only on a RIS server or a WDS server running in Legacy mode
You are trying to put the bootable data of ManageEngine Rescue Media on WDS server instead of RIS server:
Bootable Media Builder of ManageEngine OS Deployer supports only RIS servers and WDS servers that run in Legacy mode.
Switch the WDS server to Legacy mode.
To do this, on the machine where the WDS server is issue the following command in the command-prompt:
WDS server can run in three different modes:
Read more about WDS at Microsoft TechNet: