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I save a powerpoint file to a samba network share with 2003 or 2007 as a ppt(2003) file logged in as user abc001. when I try to open it as a different user(abc002) in 2003 it works fine, but if i open it with 2007 it fails with the error "powerpoint was unable to open or save the document. please ensure that you have access privileges to read or write the document and that it is not encrypted".
if abc002 copies the document and pastes it to the same place (takes ownership) the document will then open in 2007.

I have tried it on a windows 2003 share it there is no problem.

I have added the share to PowerPoint Options, Trust Center, Trust Center Settings, Trusted Locations.

I have tried with word, excel and access file and they wall work in the samba share.

I have tried it with different users on a different share and get the same results.

at the moment only 2 users has come across the problem but there will be more when we migrate everyone(6000 users) to 2007.
can anyone suggest anything for opening a powerpoint 2003 file that you do not own, but do have permissions to from a samba share with powerpoint 2007.

Mike