Use the commands
ActiveDocument.Unprotect
and
ActiveDocument.Protect wdAllowOnlyFormFields, NoReset
to unprotect and re-protect the document.

Signature
Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.
Doug Robbins - Word MVP
>I am using a data base program (ACT!) that will insert the name and address
> when the form is opened. If I protect the form, the data will give me an
> error that the forma is protect and therefore will not open. I would like
> someone to help me in VB to protect this form once is opened or a macro
> that would protect the form on "Entry". Thanks for your time.