xdmcp (Win98SE)

[root]

I get this error when running 'X -query xserver' or 'X -broadcast'.
This does work when the client is running Linux.
Client: Win98SE Cygwin XFree 4.03
Server: Debian X 4.03

Help?

_XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
winDetectSupportedEngines () - Windows 95/98/Me
winDetectSupportedEngines () - DirectDraw installed
winDetectSupportedEngines () - DirectDraw4 installed
winDetectSupportedEngines () - Returning, supported engines 00000007
winSetEngine () - Using Shadow DirectDraw NonLocking
winAdjustVideoModeShadowDDNL () - Command line depth: 16, using depth: 32
winCreateBoundingWindowWindowed () - WindowClient width 640 height 480
winInitVisualsShadowDDNL () - Masks 00ff0000 0000ff00 000000ff RGB 8 d 32
winInitVisualsShadowDDNL () - Returning
error opening security policy file /usr/X11R6/lib/X11/xserver/SecurityPolicy

Fatal server error:
XDMCP fatal error: Session failed Session 308784004 failed for display 0.0.0.0:0
: Cannot open display