Any details about these pst-files?
Size?
Unicode or ANSI?
Where a these pst-files located?
Start with scanning the pst-files for errors with scanpst.exe.
For details see;
http://www.msoutlook.info/question/77
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
Outlook FAQ, HowTo, Downloads, Add-Ins and more
http://www.msoutlook.info/
Real World Questions, Real World Answers
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"coffeeman" <(E-Mail Removed)> wrote in message
news:CC689376-5418-4F5C-8165-(E-Mail Removed)...
> Outlook 2003 - In Outlook I have two PST files open and cannot copy or
> move
> emails from one PST to another?
> "error: The folders you are trying to change do not support this
> operation.
> Could not complete the operation becasue the service provider does not
> support it."
>
> Any ideas please?