The release notes don't say it supports vista 64. only Vegas 8.1 does.

That is the very problem. How can Sony come out with Vegas for Vista 64 and not DVDA, when DVDA is only available with Vegas? If DVDA was a separate purchase, that would be fine, but it's not.

The only reason I would buy Vegas 8.1 is because I have a Vista 64 system and yet when DVDA gets installed it does not work properly with Vista 64. It's not like I have a choice to install DVDA on a different operating system when I don't have it.

Hmm... I run DVDa 5.0 on Vista 64 fine - mind you, I've not tried burning to DVD/RW as I haven't managed to find any DL re-writable discs (All my DVDA projects so far have been over 2 hrs so have necessitated DL discs).

Have you tried using DVDA 4.5 for burning to RW discs? It's a 32bit prog but it works fine AFAIK under Vista 64bit.

Haven't even tried DL discs. I'm having problems with regular RW discs.

As for DVDA 4.5, I've tried that and it did not help.

I suspect it could be the discs that are at issue. Reading through the documentation, DVDA does support RW discs (although it also states that it can't/won't do TEST burns using +R or +RW single or DL discs. By that, I assume they mean that it WILL with -R and -RW single or DL discs.

Also, as with even normal DVD discs, some brands/grades work better than others.

I'd suggest trying a few different brands until you find one that works with your setup.

No problems on my end burning DL +R discs with DVDA5 with Vista 64Bit....Memorex and HP Discs work fine for me....

What about rewritable discs?

Only Vegas v8.1 is a 64-bit program and will only run on a 64-bit OS, like Vista64. Vegas v8.0c and DVDA are still 32-bit programs, but operate in Vista64. I've not run into DVDA not burning DVD-RW discs in Vista64 as I never burn discs from within DVDA, I use IMGBURN instead.

That is the very problem. How can Sony come out with Vegas for Vista 64 and not DVDA, when DVDA is only available with Vegas? If DVDA was a separate purchase, that would be fine, but it's not.

I'm as suprised as you are. I just assumed that since Vegas was tested & released for 64 they would of officially tested & said DVDA was supported in 64.

But 9 times outta 10 it's a driver issue with what you're having. I don't use DVDA for burning my discs so never cared if it could, but every instance where DVDA couldn't burn a disc it was a driver/os related thing.

As for rewritable DL discs I have not burned any in DVDA5, just Regular dvd,'s and DL ones, the only rewritable Discs I burn with regularity are Blu-ray and they burn flawless with DVDA5 with vista 64bit, I always test my blu-ray projects on BD-RE discs before burning them on reg blu-ray BD-R discs, to expensive for any screw ups.....

Does anyone make rewritable DL discs? I've never come across one.

Mike

I do realise that the problem COULD be driver related, but I've tried various other DVD burning programs and every single one of them worked. Why is DVDA not able to handle it?

I haven't seen this since DVDA 1, but if DVDA doesn't support the way the device writes, it doesn't work.

I've been researching the internet about the IOCTL error message and it has been happening to people since DVDA version 2 and seems to have no solution as a fix. Sad.

DVDA is "famous" for having rather poor device support. If you search this forum you will find lots and lots of posts that recommend authoring in DVDA, preparing the DVD in a folder or an ISO file and then write that with some other burning software. This is a known problem with DVDA and I don't know how much resources SCS is using to fix it. Given the work-around, I would assume somewhere around zero.

I had a problem with RW Memorex disc with a verstion of DVDA (4.0 I think).
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I had used the same disc many times in the prior version (what ever that was) with no poblems. When the update came out (.0x) I could write OK, but the disc wouldn't play. It had many times before.
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I got the usual 'it must be your media, try another brand' from Sony. Now, I am not a fan of Memorex, but I told them that it had worked before the update.
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When the next update came along (.0y), all was working again. There was no mention in either version release notes of the problem.
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PS. I too would like to know where to get DVD DL RW. Never seen any but the R ones make nice costers <g>.
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Paul Masters

Your post caught my eye as you mentioned DL disks. I have DL drives but have not yet used DL disks. Can they be read in any machine? If I create a movie that is 3 hours in length, record it onto a DL disk, i should be able to read it in either of my machines or in a standard DVD player, correct?

"I have DL drives but have not yet used DL disks. Can they be read in any machine?"

Basically, yes (although a very old machine may not read the DL properly, all modern machines are designed to play DL discs - as that's what the commercial DVD movies come on [albeit pressed not burned]). I've done a number of 2hr+ projects on DL. Bear in mind though, that the quality (available bitrate) goes down as the length increases. At some point it may be that the quality deteriation gets so much that you're better off using more than 1 disc.