PST (Personal Storage) usage is disabled on this computer

A user somehow used two mail files in same profile  - both ost and pst. Deleted the pst, but now a lot of mails is missing, but there is a backup

When trying to import the pst the error: PST (Personal Storage) usage is disabled on this computer comes

There is a policy that restrict pst, but I just need to be able to import the pst and then move the mails to the ost file.

I have tried been in regedit and change, the following

Value Name: DisablePst
Data Type: REG_DWORD
Value: 1

But did not help anything
rossonerisAsked:
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PietMuisCommented:
did you try and set DisablePst to 0?
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AmitIT ArchitectCommented:
Exclude the user from the policy. I assume GPO might be controlling it. Ask you AD admin to put him in the exclusion list.
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rossonerisAuthor Commented:
They are SO slow and say it is pst is not supported - so just bad luck for the user
Have tried with "0" - also not help anything
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rossonerisAuthor Commented:
and they say it is a gpo
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rossonerisAuthor Commented:
or anyhow to convert a pst to ost`?
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AmitIT ArchitectCommented:
Then you cannot do much, if not permitted as per company policy. As user to check with his or her manager, he might be able to help getting a exclusion for time being and resolve this issue. Secondly, you can escalate to next level, who has the authority to open PST and they can open user mailbox and merge the pst data into it.
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PietMuisCommented:
maybe you can do it with a machine that is not on the domain - setup outlook (RPC over https?) and then open and import the PST?
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rossonerisAuthor Commented:
Found a other tip on google, that I just have to delete the disablepst registry - and than it worked!
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rossonerisAuthor Commented:
working
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