The Network-Manager pptp client in F10 just wasn’t working for me.  Nothing in the logs, not output….just nothing at all. The pptpconfig client is  a far better solution – it’s available from : http://pptpclient.sourceforge.net.  Unfortunately there are no installation documents available for F10 – it is easy to install though:

#rpm -Uvh http://pptpclient.sourceforge.net/yum/stable/fc10/pptp-release-current.noarch.rpm

# yum –enablerepo=pptp-stable install pptpconfig

# pptpconfig

….enter the details of your PPTP account and connect.  Add additional routes if required