For the Accessibility access, you will need to click the padlock icon in the lower-left corner to make changes. You might be prompted to enter the credentials of an administrator account to continue. Put a check next to TeamViewer to grant it access: Repeat the same for Full Disk Access and Screen Recording. Those are required to control your Mac. Feb 05, 2020 Full Disk Access to browse/access all files and folders on disk for File Transfer (since macOS 10.15) To my knowledge, Apple supports automating Accessibility and Full Disk Access, but not Screen Recording, through MDM / PPPC payloads. Consent to use Screen Recording needs to be given on the Mac (no admin password required).
If you are starting TeamViewer on your Mac running macOS 10.15 (Catalina) for the first time, you will be prompted with the following dialog:
By default, all permissions are set to Denied. Please give permission to the system capabilities manually to use TeamViewer as desired. If you want to allow remote access to your Mac, Screen Recording and Accessibility are required at a minimum.
To allow the access, click the buttons shown in the dialog. Eg. click Open Full Disk Access Preferences… which will bring you to the Full Disk Access section of the Privacy pane, inside the Security & Privacy preferences:
For the Accessibility access you will need to click the padlock icon in the lower-left corner to make changes. You will be prompted to enter the credentials of an administrator account to continue.
Put a check next to TeamViewer to grant it access:
Click Later to continue. Repeat the same for Screen Recording and Accessibility. Those are required to control your Mac.
Click again on the padlock in the lower-left corner to prevent further changes.
Now you can close the Security & Privacy window. The next time you want to receive an incoming connection with TeamViewer, the person connecting to your Mac will be able to see and control your screen.
The permission status can be reviewed under Help -> Check system access at any time.
Start by downloading the software from the TeamViewer website:
Drag the icon in the window to your “Applications” folder to copy it to your computer. Then double-click to start it.
Click the Open button on the security prompt
Allow TeamViewer permissions to access your computer in the next window. Sequentially click on each button and allow it access.
Clicking on “Open Screen Recording Preferences…” will open the “Security & Privacy” preferences pane. Check the box next to TeamViewer. The preference window will warn you that you will need to quit TeamViewer, click “Later”. Do not close the preferences window yet.
Full Disk Access Teamviewer Mac
In the same preferences window click “Accessibility” and then unlock the preferences pane by clicking the Lock icon at the bottom of the window. You will need to enter your username and password for the computer. Once unlock, scroll through the left panel to find the “TeamViewer QuickSupport” item and check the box. Do not close the preferences pane yet.
In the left pane of the preferences window scroll down to “Full Disk Access” and select it. On the right pane click the “+” icon at the bottom of the list.
In the file chooser click the “Application” shortcut and then locate “TeamViewer QuickSupport” and select it from the list. Click the “Open” button. A warning dialog will appear, dismiss it by clicking “Later”.
Disk Access Teamviewer 9
You can now click the “Close” button on the TeamViewer “Review System Access” dialog. The application will then present you with credentials to provide to your technician.