Mountain Duck "Integrated" mode not working - Access denied

[jason-smith80]

Connections using "Online", or "Smart Synchronization" mode work correctly, but "Integrated" do not. I get an "Access Denied" when connecting. In the Mountain Duck log files I can see the connection to the server was successful (I see filenames coming by that are only available server-side). So the Access Denied must be client-side.

In MacOS System Settings > General > Login Items & Extensions > File Providers both "Mountain Duck" and "Mountain Duck Helper" are enabled. I am running Sequoia 15.7

Please advice how I can fix the Access Denied problem. Thanks!

[dkocher]

What is the exact error message you are seeing?

[jason-smith80]

The Mount Location is left at its default value, which is "Volumes.noindex" on my machine. The setting is grayed out anyway, so I can not change it. I installed Mountain Duck via the App Store, in case that matters. The user running Mountain Duck is an Admin account.

[dkocher]

We have not yet determined when this error is thrown from the FileProvider API on macOS. We previously resolved this error by

1. Quitting fileproviderd from Activity Viewer.app
2. Deleting any existing domain for the location in Finder → Locations
3. Restart Mountain Duck.app

[jason-smith80]

Thank you. Unfortunately, these instructions did not help.

I will stick with "Smart Synchronization" mode for now. Is my understanding correct that this functionally does the same as "Integrated"? It will keep a small subset of the files on harddisk and sync the rest to the remote cloud. In other words, I could have a 1 PB cloud account and still mount it on my small laptop using only a few GBs local storage for caching?

Only downside of "Smart Synchronization" compared to "Integrated" seems to be the fake NFS server that is a bit confusing shown in the Locations sidebar. If there was a means to hide that NFS server from the sidebar, then the Finder windows would look the same as "Integrated" mode.

[dkocher]

• Smart Synchronization uses a network drive to allow access to the files.
• Integrated synchronizes files to a folder on your local disk using frameworks from macOS.

[jason-smith80]

Yes, different engine under the hood. But as an end-user I see the same behavior, right? I can mount a huge remote disk without eating up all my local storage on my laptop, and yet have the file cached locally so editing is much faster than mounting a remote drive.

[mattkubota]

I am getting the same error while trying to connect to Backblaze B2 using Integrated mode. Running Tahoe 26.2 and Mountain Duck Version 5.1.1 (28310) from App Store.

[dkocher]

We have not yet determined when this error is thrown from the FileProvider API on macOS. Can you verify Mountain Duck.app is located in your Applications folder and see if the problem persists after stopping fileproviderd from Activity Monitor.app or restarting your computer.

We previously resolved this error by

1. Quitting fileproviderd from Activity Viewer.app
2. Deleting any existing domain for the location in Finder → Locations
3. Restart Mountain Duck.app

[Flyerr83]

Dear Mountain Duck Team,
I did now the following steps:

1. Quitting the fileprovidered application. / It was restarted immediately.
2. I deleted all locations.
3. Quit fileprovidered again.
4. Changed the sync type to Integration.
5. Quit Mountain Duck and restarted it.
6. Now I go the following error.

7. Changed back the sync type to Smart Synchronization.

I am using MacOS Tahoe 26.2.

[dkocher]

Additionally ensure Mountain Duck.app is installed in /Applications or ~/Applications on your disk.

[Flyerr83]

I proofed it and everything is fine there.

[dkocher]

Can you check the extended attributes on Mountain Duck.app in Terminal.app with

xattr -l /Applications/Mountain\ Duck.app

[Flyerr83]

Can you check the extended attributes on Mountain Duck.app in Terminal.app with

xattr -l /Applications/Mountain\ Duck.app

Dear dkocher,
here are the attributes:
com.apple.appstore.metadata: bplist00?^iTunesMetadata?

!""!%&'()*"""./"12"456""9:;<AC_hasOrEverHasHadIAP_is-auto-download_launchProhibited_is-purchased-redownloadUtitle_bundleShortVersionString_softwareVersionBundleIdVitemId[releaseDateQs^isB2BCustomApp_gameCenterEverEnabled_gameCenterEnabledTkind_storefrontCountryCode_isFactoryInstall^installerEpochZartistName_hasMessagesExtensionWgenreIdXitemName]bundleVersion_sideLoadedDeviceBasedVPP^DeviceBasedVPP_!softwareVersionExternalIdentifierUgenreYsubgenresVratingZcategories_protectedMetadata ]Mountain DuckU5.1.1_io.mountainduck=?5_2016-01-29T07:10:21Z
com.apple.appstore.store_cohort: 10|date=1767769200000&sf=143443&app=com.apple.AppStore&pgtp=Search&pgid=osx&prpg=Software_528726140&ctxt=Search&issrch=1&imptyp=card&kind=macSoftware&lngid=2
com.apple.appstore.storefront: 143443
com.apple.appstore.vendor_name: David Kocher
com.apple.macl:
XYC-MBP:Applications XYC$

[dkocher]

Can you let me know if you can reproduce after updating to build 5.2.0.28603 from Preferences → Update → Beta.

[Flyerr83]

Can you let me know if you can reproduce after updating to build 5.2.0.28603 from Preferences → Update → Beta.

Dear dkocher,
I do not have the menu to download Beta versions.

Please advise what to do.

Thanks.

[dkocher]

Please install the latest version outside the Mac App Store.