Enable hotfix for SupportUNCMappedDriveSaveAs in Excel 2003

Error message when you try to save an Excel 2003 workbook that was opened from a mapped drive location: "cannot be accessed"

When you try to save a Microsoft Office Excel 2003 workbook that was opened from a mapped drive location (such as Z:\folder), you may receive one of the following error messages:

• 'path\filename.xls' cannot be accessed. The file may be read-only, or you may be trying to access a read-only location. Or, the server the document is stored on may not be responding.
• Runtime error 1004: Cannot access path\filename

This Fix it solution enables functionality provided by the following Service Pack and hotfix:

870924: How to obtain the latest service pack for Office 2003

833855: Excel 2003 hotfix package: February 29, 2004