cp -f /etc/xrdp/xrdp.ini /etc/xrdp/xrdp.ini.org
cp -f /etc/xrdp/sesman.ini /etc/xrdp/sesman.ini.org
sed -i "s/autorun=/autorun=Xorg/g" /etc/xrdp/xrdp.ini
sed -i "0,/allow_channels=true/{s/allow_channels=true/allow_channels=false/}" /etc/xrdp/xrdp.ini
echo "PREFERRED=gnome-session" > /etc/sysconfig/desktop
echo "unset DBUS_SESSION_BUS_ADDRESS; gnome-session" >> /etc/sysconfig/desktop
echo "allowed_users=anybody" > /etc/X11/Xwrapper.config
sed -i "/param=96/ a param=-AcceptCutText=0\nparam=-SendCutText=0\nparam=-SendPrimary=0\nparam=-SetPrimary=0" /etc/xrdp/sesman.ini
systemctl restart xrdp

So updating an OS sometimes changes the defaults used for various pieces of crypto. In fedora to set it back to how it used to be:

update-crypto-policies --set LEGACY

You should only do this as last resort or just for testing.