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Hello,
Dragging a DNG file from my NAS into Photoshop always results in one of these two errors:
However, dragging a copy of the DNG from the Desktop instead works fine, by opening Camera Raw and the image in it.
This is odd because LightRoom (latest) opens all my Raw files from the same NAS without issues.
Specs
Note: Lightroom instead has all the privacy checkboxes and in fact it works fine with my Raw files on the same NAS:
This makes me think that Photoshop failed to ask for all the same permissions that both Lightroom and Bridge ask for, which makes them work as intended.
Things I've already tried
Thank you for your help.
Leaving a reply as after 2 weeks of testing various things out, Photoshop has suddenly decided to work as intended for no apparent reason. Sorry for not being able to explain how I got it to work. I have no idea. And a big thank you to those who helped!
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Your NAS is in the wrong format for newer Mac OS. Mac OS will throw errors all day due to not being compatibly formatted ExFat with new OS specifications. Macs use HFS+ or APFS format but ExFat can be read by both Win and Mac.
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I've been using LightRoom without issues off of the same NAS for months. The issue is with Photoshop only.
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This is wrong. If you are using SMB to access a NAS, it doesn't matter what the formatting on the NAS is. Now there may be SMB compatibility issues but if every other app including sme Adobe apps can open the file but PS cannot, it's not how the remote drive is formatted!
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That's correct. as SMB does abstraction from the source format, the native disk format should be of secondary interest. Indeed, most of the NAS will use their default Linux formatting. Speed is probably more important and the file size. DNG files tend to be huge. There is (my guess) somewhere a timer throwing an error if the operation needs to much time to complete. Lr is probably less critical here, as it is operating most of the time locally on a cached file. It may also be, that the i/o method used by those two products is different.
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Anyone else who could help with this please?
As stated before, Lightroom works perfectly, it's just Photoshop which won't open the DNGs.
Thank you
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If its just specifically the DNGS, check your version of the Camera Raw Plugin - what version are you currently on?
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However the fact that you can drag the DNG to your desktop and open tells you that it is an issue with your NAS drive. LR may work but this is a known issue with Apple Catalina and Big Sur and Photoshop. The solution is to format your externals to a Mac Compatible format for the Mac OS to read properly.
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It may well be that Lightroom is not working with the original DNG but with a cached version from the library. It looks to me like a timing problem on the network. I suspect the DNG file to be quite huge.
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Just tried it with a 620 MB dng from my NAS (it's a superresolution file created by camera raw) and photoshop opens it without any issues. Don't think filesize matters. I think the OP somewhere else noted it is actually the smaller files that are problematic.
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Actually I recently discovered that Photoshop will open the much larger multi-shots DNGs (created in camera by my Leica SL2, 350 MB each), but it won't open the base, single-shots DNGs (47 MP each).
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Can you share one of the files that doesn't work? I use the exact same setup (a synology NAS formatted the exact same way - I posted on the reddit forum too which is how I found this thread) and have no problems whatsoever with opening files (dng, NEF, tiff, psd, etc.) directly in Photoshop/camera raw from it on a fileshare mounted through SMB. There is absolutely no reason why this wouldn't work. The underlying filesystem on a NAS does not matter whatsoever. It's irrelevant since the filesystem is not exposed to the client operating system. It's just a filesharing mount. My experience shows this is clearly the case.
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For some reason now Photoshop opens them without issues. I couldn't get it to work for over 2 weeks. Now it works with all of them. I didn't change a thing, no idea why it's working! Thanks for the help anyway!
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Leaving a reply as after 2 weeks of testing various things out, Photoshop has suddenly decided to work as intended for no apparent reason. Sorry for not being able to explain how I got it to work. I have no idea. And a big thank you to those who helped!
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I have the same problem. Latest versions (as of 1/20/22). Lightroom opens them fine as does every other app. Only PS has an issue. It reports a disk error. And even that is intermittent. Some DNGs it opens just fine. Others it gives an error. Sometimes it will have an issue with a file it opened just fine before. It is also inconsistent between Macs. A file will open on one while throwing an error on the other.
Has nothing to do with how the NAS is formatted. I can browse the NAS from PS. I can open JPEGs and other files in PS.
SMB share attributes as follows:
SMB_NEGOTIATE SMBV_NEG_SMB1_ENABLED
SMB_NEGOTIATE SMBV_NEG_SMB2_ENABLED
SMB_NEGOTIATE SMBV_NEG_SMB3_ENABLED
SMB_VERSION SMB_3.1.1
SMB_ENCRYPT_ALGORITHMS AES_128_CCM_ENABLED
SMB_ENCRYPT_ALGORITHMS AES_128_GCM_ENABLED
SMB_ENCRYPT_ALGORITHMS AES_256_CCM_ENABLED
SMB_ENCRYPT_ALGORITHMS AES_256_GCM_ENABLED
SMB_CURR_ENCRYPT_ALGORITHM OFF
SMB_SHARE_TYPE DISK
SIGNING_SUPPORTED TRUE
EXTENDED_SECURITY_SUPPORTED TRUE
UNIX_SUPPORT TRUE
LARGE_FILE_SUPPORTED TRUE
OS_X_SERVER TRUE
FILE_IDS_SUPPORTED TRUE
DFS_SUPPORTED TRUE
FILE_LEASING_SUPPORTED TRUE
MULTI_CREDIT_SUPPORTED TRUE
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What NAS and version, what network infrastructure, what macOS involved?
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TrueNAS 12.0-U7. and Synology DSM-6.2.4. It is intermittent. Some DNGs open. Others don't. It might open on one mac and not the other. And then the one that had a problem opening it before, won't have an issue. Both Macs are on Moneterey 12.1. Windows machines have no issues. Only applies to DNG files. Only applies to Photoshop. All other files open and operate as expected.
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I'd love an answer to this issue also. I'm running a QNAP TVS872XT NAS/DAS via thunderbolt. Access from all other adobe apps is fine, so photoshop is the only app with a problem. Not just DNG for me, also ARW and PSD. Running Monterey 12.3.1 on a MacStudio M1 Max. Photoshop 23.3.0
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Photoshop probably opens the biggest files compared to what the other programs do.
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I'm new to Macos, but am having similar issues now as well. Trying to Drag in a DNG from my Synology NAS to PS. It is giving locked file errors or Disk Error... PSD opens fine , the same way.
Tried to check file permissions/unlock and also set entire folders on NAS to read/write for everyone. Still same stuff. Also doing permissons in Preferences/MacOS to allow PS/LR to make changes/etc.
I can copy DNG to desktop and open just fine as others said. Not end of world, but annoying... I am creating the DNG from DXO Pure Raw, dragging Canon R5 CR3 into there from NAS, and saving out DNG to NAS.
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I'm on latest MacOS / Cloud/LR/PS as of July 16, 2022.
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I have been having this issue for a long time, even with the latest version of Photoshop and MAC OS still never got it fixed