You are unable to import OVA with Microsoft Office Personal Edition 2003 to DDI. When the debug log for DTAS is enabled, the /var/log/vbox_dbg.log shows the following:
[WARN] Invalid imported, because software-Office_Check, 1, Office 2003
The Microsoft Office Personal Edition 2003 has no PowerPoint component, which is required for analyzing PPT files. This causes the OVA to fail the required software installation check.
To resolve the issue, change to other Microsoft Office editions that include at least Word, Excel, and PowerPoint components. For example, you can change to Microsoft Office Professional Edition.