A virtual machine image comprises many uncompressed files. The files must be combined
                  into a single OVA file to avoid issues when importing.
ImportantVerify that the size of the created OVA file is supported by your product. 
For details, go to https://docs.trendmicro.com/en-us/home.aspx#Enterprise. 
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Procedure
- On the VirtualBox Manager screen, power off the virtual machine. 

Note
Verify that the CD/DVD drive is empty before powering off and exporting. - Go to .The Export Virtual Appliance window appears.
 - Select the virtual machine image to export and click Next.The Appliance settings screen appears.
 - Configure the following:
- 
File: Accept the default name and path or click
 to select a different file. - 
Format: Select OVF 1.0.

Important
Format options include OVF 0.9, 1.0 and 2.0. Virtual Analyzer does not support OVF 2.0. - 
MAC Address Policy: Select Include only NAT network adapter MAC addresses.
 
 - 
 - Click Next.The Virtual system settings screen appears.
 - Verify that the License field is empty and then click Export.
 
VirtualBox creates the OVA file.
		