Programically setting macro security level in Access 2003

We are in the process of moving to Access 2003,  I have several databases may still rely on macros. But under Access 2003 you get that Macro Security Warning about the Access File being unsafe.   I don't want to have all the users manually set the macro set to low, and I don't have the time to go through all the databases start converting and testing the macros in VBA.  

I found an article on the MS site Refering to this issue and it recommends using the following code in the on on load event:  Application.AutomationSecurity=msoAutomationSecurityLow

But it does't work.

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