If you try to create a "Deploy Image task", you can't save it until you select a license number (Product Key) for the image. However, the list doesn't populate. Even if you click "new" and enter a license you know is valid, you still don't get anything on the drop list. Drop list is blank
If there is metadata missing or incorrect for the image you captured, the drop list will be blank.
If you are sure that image is properly sysprepped and you have valid license then run the query in database
Open SQL Management Studio, select your Symantec SMP database and then Run following Query
This will give you information about images, resource guid and OS type. In some cases, the "OS Type" field will be blank, or show "Unknown" this is one of the reasons for blank drop list for license key.
Here we need to change the OS Type from unknown to its original name. Run the following query
set ostype = 'Windows 7'
where ostype = 'unknown'
and _resourceguid = '<resource guid of image>'
Then try to create the deploy job. You should get license key to select for that image.
Capture a new image to use for deployment. This will create a new Product Key association with the new image that will be available in the Product Key drop down of the Deploy Image job.