You don't by chance set different localization parameters, do you? Like UK
English, different currency, I forget what all there was on 4150s. Time Zone
counts too IIRC. You can try Todd's suggestion by connecting as Guest, and
doing a restore, but there are some of those basic settings that need to
match for it to work...That's very old memory trying to work in my head
here, but I recall this from old forums.

"People" <people@dollars.demon.co.uk> wrote in message
news:zXsbzMBBeBYIFwMX@dollars.demon.co.uk...
> Having not used my ppc (HP4150) for some time decided to turn it on only
> to find out that all my data had gone. Managed to load some of the
> programs back on. Loaded ppc onto cradle and 'new partnership' wizard
> appeared. Selected the option to use an existing partnership but a
> message comes up saying 'the selected backup file was made from a
> different type of mobile device'. I have another device but the device
> name I've selected is definitely the correct one for this ipaq. Does
> anyone have any ideas what could be going on?
> 3.71 active sync used
>
>
> Thank you in advance
>
> Des
> --
> Des Toussaint