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shut down access after 30 day trial



 
 
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  #1  
Old March 18th, 2010, 03:39 AM posted to microsoft.public.access
Dave J
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Posts: 3
Default shut down access after 30 day trial

How can I shutdown a database after a 30 day trial period. A vb code to pop
up a form to advise user of 30 day trial expiration. I can configure the form
to ask user to continue and go to website or close and exit database but I
need the vb code to time 30 days.

Thanks for any help

Dave J
  #2  
Old March 18th, 2010, 03:47 AM posted to microsoft.public.access
Tony Toews [MVP]
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Posts: 3,776
Default shut down access after 30 day trial

Dave J wrote:

How can I shutdown a database after a 30 day trial period. A vb code to pop
up a form to advise user of 30 day trial expiration. I can configure the form
to ask user to continue and go to website or close and exit database but I
need the vb code to time 30 days.


Tools available from sites such as sysinternals.com can crack any
method you use to store a future date anywhere on a system such as in
the registry or a file. Unless it's encrypted. But even then if you
delete the date from wherever it's stored your app may think it's just
installed.

Thus I prefer to limit the number of records in one key table such as
5 units or 50 volunteers but allow unlimited access for everything
else. Once I get paid then I email them an encrypted file containing
the number of records they are licensed for as well as their company
name which goes on the bottom of every page of every report and
frequently used forms.

For more of my thoughts on this topic see the "Copy protection or how
to safely distribute a demo Microsoft Access Application" page at
http://www.granite.ab.ca/access/demo.htm

Tony
--
Tony Toews, Microsoft Access MVP
Tony's Main MS Access pages - http://www.granite.ab.ca/accsmstr.htm
Tony's Microsoft Access Blog - http://msmvps.com/blogs/access/
For a convenient utility to keep your users FEs and other files
updated see http://www.autofeupdater.com/
Granite Fleet Manager http://www.granitefleet.com/
 




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