You can use the Administration Server to enable WebDAV for the entire server. When you do so, the following directive is added to the magnus.conf file that loads the WebDAV plugin:
Init fn="load-modules" shlib="/s1ws6.1/lib/libdavplugin.so" funcs="init-dav,ntrans-dav,pcheck-dav,service-dav" shlib_flags="(global|now)" Init fn="init-dav" LateInit=yes
The init-dav Init function initializes and registers the WebDAV subsystem.
To enable WebDAV execute the following command in CLI.
wadm> enable-webdav --user=admin --password-file=admin.pwd --host=serverhost --port=8989 --config=test |
See CLI Reference, enable-webdav(1).