You already know that a new version of the Windows Mobile Device Center (WMDC) Beta has been released for Windows Vista RC1; its build number is 6.0.6526. WMDC Beta 3 enables you to setup new partnerships, synchronize content and manage music, pictures and video with any Windows Mobile 2003- or Windows Mobile 5-powered device.
The Windows Mobile Device Center Beta is currently available as a stand-alone installation here. In a few weeks it will be available through Windows Update.
Although formal support is not offered for this Beta release, you're encouraged to use newsgroups to help answer your questions. The Windows Mobile also welcome your feedback at firstname.lastname@example.org.
I successfully installed and sycn’d my Windows Mobile 2005 phone with RC-2 and Windows Mobile Device Center Beta 3 a few days ago but now it’s stopped working. I’ve tried numerous times to uninstall then reinstall the driver and software but WMDC doesn’t think my phone is connected. In fact, Vista no longer sees my phone at all; the phone’s memory card no longer appears in “Computer”.
What could be preventing Vista seeing my phone? The only change I can think I’ve made to the OS is installing OneCare live.
I just un-installed Live OneCare and that fixed the problem. So for what ever reason OneCare prevented Vista RC-2 from "seeing" my phone; either durng a sync or as a device in "Computer".
I have the same problem here, and it's OneCare for me too.
It's the OneCare firewall that's preventing Syncing from working. I found a list of ports, somewhere on the web, that I poked holes for in the firewall and it's working for me, now.
Take a look at this thread for instructions: