Here are some things to think about - with a single burner install you can only burn 1 disc at a time - only a duplicator allows multiple load concurrent.
Given say that you have DVDAPro do the burn which I recommend - the first disc you replicate in a series will take the longest, the 2nd thru 9th burn that you complete will be a shorter time by some margin.

Ok, lets use examples, with DVDAPro 1st disk prepares and burns in 50 minutes, while 2nd to 9th disc each burn in 40 minutes. for a total period of time of 410 plus minutes in replication step.
On the other hand you can take the 1st disc burned and copy to Nero Ahead creating a burn image from which to replicate.
Example with above in comparison - 1st disc prepare and burn 50 minutes - 2nd disc creation of image about 60 minutes, then disc 3 to 9 burn copy 35 minutes each for a total of time of 360 minutes spent to replicate. some efficiency but not a lot.

videoITguy

If you go for an external route can't you just use the iso file DVDA has created with the 1st disk or not?

When I am making BRs, I always make an iso file from DVDA or TMGEnc Authoring works onto my HDD, and then use Imgburn to make all the copies. Imgburn does an nice job of multiples. I budget 20 minutes to burn a full 25 GB BluRay.

I make the Blu-ray ISO in DVD-A and use BurnAware Premium to burn the disks. I used to burn in DVD-A but over time I found DVD-A to be finicky when it comes to burning so now I use BurnAware Premium.

On my Dell laptop, a 34-40 minute Blu-ray takes about 15 minutes to render in DVD-A and about 12 minutes per disk in BurnAware Premium. I render DVD-A compliant files from Vegas Pro so that helps with the DVD-A rendering time. I typically burn 8-14 disks a week this way so I babysit the burner for 60-120 minutes.

Your process will vary depending on your project and computer; just wanted to give you an idea of how long it takes on my system.

Regards,

Kimberly

@Kimberly:

Have you ever used Imgburn? I was wondering what you prefer in BurnAware Premium over Imgburn. Just curious...

TIA

Fred

My reply to OldSmoke - his post Date: 11/7/2014 10:13:59 AM
about concerns he raised over my post above for optimum workflows of replication in a single burner setup.
While OldSmoke is technically correct that you might use a DVDAPro prepared .iso to be imported into other burn software - I suggested Nero Ahead software - there is a problem there.
The main problem is that DVDAPro creates a Blu-ray image with a generic name that you cannot change once the .iso is set. This is unfortunate and actually a programming oversight that SCS is not likely to change. So here is what you get by re-creating the image in other software - the ability to create unique volume names and embed serial number identification into the "copy" .iso. This would be a step in quality control so if you choose to use it.
With Nero Ahead you can also insert extras into the burn image such that now you can create a true mixed mode Blu-ray video and BD-Rom disc. Again by SCS oversight they did not allow this in programming DVDAPro features. way baad!

Now I have tested this thoroughly with Nero, but should probably be possible in Burn Aware or Imgburn as well.

@Fred:

I tried ImgBurn and it was quite the bargain . . . FREE . . . but unfortunately I came to the realization that I was not smart enough to use it with its minimalist user interface. Okay to be fair, I did get a few burns out successfully but I never got very happy around it.

BurnAware Premium was reasonably priced and gave me everything I needed in a tidy package. You can trial BurnAware. I've heard others say they try to sneak bloatware into the deal but that was not my experience at the time I trialed it. That may have changed so pay close attention to your install just to be certain you are not getting anything extra.

Regards,

Kimberly