Mac OS Catalina Sidecar error 32002

I just solved my problem. I'm not sure it's working for everyone.

1. Log-out and re-log-in for both iPad and Macbook pro. (didn't work.)
2. reset the privacy setting for 'trust this computer' (didn't work)
3. delete the devices (iPad pro and Macbook pro) on my device list by iPhone, and re-log-in to iCloud. (didn't work)
4. reset all settings for iPad (worked)

I think step 1 and step 3 are kinda important to reset the connection.

Hope you find a way to solve the problem.

I have the same problem with the same error. I reset the user permissions as described and restarted the Mac again. Nothing happened.

Edit: Reseted the “Trust This Computer” settings on my IPad. Now it works fine.

Hi Andrew,

your hint towards the VPN solved my connection problem. I had CISCO Anyconnect app running on my iMac which not only blocked Sidecar but also the "Import form iPhone" feature in the Finder.

Thanks for the hint!

Best

Christian

Hey Walt501,

Thank you for using Apple Support Communities!

I understand from your post that you're having issues using Sidecar with your MacBook Pro and iPad Pro due to an error message. I'd be happy to help out.

You've done great steps so far! To continue, I'd like for you to reset your user permissions to test:

Resolve issues caused by changing the permissions of items in your home folder - Apple Support

Let us know the result.

Cheers!

Wi-Fi only is inconvenient when I want to charge my iPad while it's being used in SideCar mode. horstfromtoronto's suggestion worked. To save others a web search, here's Apple's guide on reseting trust settings on iOS: https://support.apple.com/en-us/HT202778#change

This process didn't actually ask me to re-"Trust this Computer" – it just simply worked when I launched SideCar again.

I've tried "Resolve issues caused by changing the permissions of items in your home folder - Apple Support" and "Trust This Computer" and still same issue. When I connect over WiFi is all fine but only when connect over usb-c and trying iPad saying it's switching to USB I hanfgs and then disconnect with popup with error 32002.

It was working previously like week ago I think recent 2 updates killed the feature. Please help!

Thanks,

Miko

updated my ipados to 13.3

updated my mac to Catalina 10.15.2 (19C57)

go through the checklist:

1. Ipad and Mac in same domain
2. both same user account
3. connected with official apple usb-c cable

starting sidecar on mac

What happened:

1. wow it works
2. no it doesn't,
3. 
4. getting a blurred screen on my ipad with the message "Connecting, Switching to USB" and a button "Disconnect", and that's it. (see attachment)
5. on my mac I get the error and stops working
6. restart sidecar > error on mac > sidecar starts on ipad but just a black screen (no need for a screenshot here)

went through my log files anf found this:

Dec 11 11:39:31 MacBook-Pro SidecarRelay[707]: objc[707]: Class SidecarMapTable is implemented in both /System/Library/PrivateFrameworks/SidecarCore.framework/Versions/A/SidecarCore and /usr/libexec/SidecarRelay. One of the two will be used. Which one is undefined.

Dec 11 11:50:45 MacBook-Pro com.apple.xpc.launchd[1] (com.apple.xpc.launchd.domain.pid.SidecarDisplayAgent.3707): Failed to bootstrap path: path = /usr/libexec/SidecarDisplayAgent, error = 108: Invalid path

Dec 11 11:52:09 MacBook-Pro com.apple.xpc.launchd[1] (com.apple.sidecar-display-agent): Service only ran for 9 seconds. Pushing respawn out by 1 seconds.

APPLE WHERE ARE YOU

I have found a solution to my issue with SideCar where it was working wirelessly but not working using the USB cable.

After checking through the other solutions described I was still having the issue

• Apple ID matches
• Trust relationship reset
• Reset home folder permissions
• Reset MacOS networking stuff
• etc etc

I have ESET Smart Security (Antivirus + Firewall application) installed and I had the USB connection to the IPAD classified as a public network. When reviewing the Firewall logs, I could see connections being blocked. After changing the classification to "Home" or "Work" SideCar connected immediately with the USB cable. Now I can charge my iPad from my MacBook and use SideCar at the same time.

Other Firewall applications may also interfere with the operation of SideCar.

You can easily test this by temporarily disabling your firewall. I would strongly encourage you to ensure you configure the firewall correctly rather than simply turning it off to resolve the issue long term.

https://www.reddit.com/r/MacOS/comments/dsfkg1/sidecar_only_works_over_wifi_plugging_in_a_usbc/

Following the instructions, I noticed there were two .plist files in particular that looked suspicious:

/Library/Preferences/SystemConfiguration

preferences.plist contained a reference to "iPad USB" (even though I didn't see iPad USB in my "Network" settings).

NetworkInterfaces.plist contained multiple references to "iPad".

I made a backup of the two .plist files, deleted them from the SystemConfiguration folder, and rebooted. Voila! Now Sidecar works over USB.

it works for me

1. Open Terminal
2. cd /Library/Preferences/SystemConfiguration
3. sudo rm -rf NetworkInterfaces.plist
4. sudo rm -rf preferences.plist
5. Restart Mac

Hi,

I had the same problem this morning. The iPad would also go black and show a window, but nothing in it. I realised that I had the USB cable that came with the iPad attaching the devices. This cable is only good for power, not data. The result was the unable to connect. I disconnected the cable and went with wifi only, having turned off my VPN o the iPad, and presto it works.

Hope this helps,

Andrew

Same problem here with brand new MacBoook Air 2019 and iPad Pro 11, out of the box. The iPad connects, and I can work for about 15 seconds, and then the problem arises. WiFi works stable.

btw: MacBook is going to be exchanged because of all sorts of other thunderbolt issues... Hoping this will resolve things

Well, I even restarted the macbook with a clean install...

All the great suggestions on resetting stuff and logging in and out are so Microsoft like, and are not a solution!

This requires a fix from Apple!

If there are issues, Apple needs to make sure they are solved transparently!

This situation is unacceptable, and requires attention from Apple!

I still have the same issue after doing what was asked with the permissions. But now I get a device timeout and and not as frequent the 32002 error. Prior to doing the fix, that was all I was getting.

Same problem here, but with an iMac 5k. Works over WIFI, but not over USB (in this case USB-A to Lightning iPad Pro 12.9").

Have tried resetting trust, and fixing home folder permissions as documented in this thread.

Are you running a third party firewall program? Temporarily disable and check again if USB works. If so fix your firewall rules to allow this connection.

It might seem odd that a firewall blocks a USB connection. In my case ESET Smart Security was causing the USB connection to be seen as “Public” and to not trust the device.