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Sony HAP-Z1ES + MacBookPro

Love my HAP-Z1ES.  Used it to feed analog into my pre-amp; now using its digital USB output to feed my Devialet 200.  Truly happy with it.
Alas: this week, with my latest MacBookPro software upgrade (MacOS 11.3.1, an update to Big Sur) I can no longer transfer files (using the HAP Music Transfer app) from the laptop to the Sony.  I get error messages, either "Some files are failed in transferring. Please check the transferred file list." or "Transfer cannot start because the device has not been ready for it."  (I've never gotten either of these before.) 

I pinged Sony via Twitter but don't really expect an answer.

Everything else (playing existing files; using the HAP app on my phone as a remote) works fine.

Thanks in advance for any Audiogoner who has advice, diagnostics, workaround.
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hrodman OP
14 posts
 
I can't drag-and-drop either.  While the HAP-Z1ES shows up on my network, it won't connect in any meaningful way. 

My wife's laptop runs MacOS Catalina and both HAP Music Transfer and drag-and-drop work fine.

Unless there's something I'm not seeing, Sony has yet to update their software to take the Big Sur changes into account. 

It remains to be seen whether they will.
stereo5's avatar
stereo5
6,388 posts
 
I am sure Sony won't update the HAP software.  It has been discontinued for years and the amount of Mac users are probably a lot less than the Windows users.
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cleeds
5,950 posts
 
stereo5
I am sure Sony won't update the HAP software. It has been discontinued for years ...
Are you sure? It's listed on the Sony website and I saw one on display at my local BB just last week.
stereo5's avatar
stereo5
6,388 posts
 
@cleeds,

Last year I spoke with Sony Tech and was told that the HAP is being phased out and that there would not be any more firmware updates.
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hrodman OP
14 posts
 
I spoke with Sony's ES division this morning.  They said they were aware of the issue; that a security patch associated with an update to Big Sur is what broke the connectivity between the MacOS and the HAP-Z1ES; and that as soon as they can isolate the specific problem, they will work on and issue a firmware update to the HAP-Z1ES and/or a software update to the Mac HAP Music Transfer App.No sense of when that will be, other than they are on the case.
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