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Solution 3: Install the Full Version of Mojave/Catalina Installer

If the date and time are wrong, you should enter the current time with the following command line: date mmddhhssyy.Hopefully, your problem will be solved.Īlso if the "ntpdate -u " command-line failed to fix the recovery server could not be contacted on your Mac, you can try the following command. Once the process is completed, you can try reinstalling the macOS update again. Step 5The above step might take some time. Step 4Then type the following command line: " ntpdate -u " and press enter. Step 3You will see the option "Terminal", double click on it. Step 2Next, you are required to choose the option "Utilities" on the top menu bar. This will open the macOS Utilities window. You can update these settings by utilizing these steps If your Mac's date and times are not synced to the Apple recovery server. Solution 2: Sync your Mac' Date and Time to Apple Recovery Server The faster the internet, the quicker you can access the Apple recovery server. If your Mac is using a Wi-Fi, you can access the Wi-Fi option from the top right corner of your screen to check it is connected to a stable Wi-Fi network. If your Mac is on a wired internet connection, you can re-plug the Ethernet cable to check. How to Fix the Recovery Server Could Not Be Contacted? Solution 1: Check Network Connection on Macįirstly, you need to check if your Mac is connected to a proper internet connection.

Whenever there is a macOS update recently released, the Apple server usually experiences a busy time. The Apple server is overloaded with too many users trying to installing the new update at the same time.

The date and time on your Mac are not properly synced with the Apple recovery server.A stable network connection is required for your Mac to successfully contact the Apple server. Your Mac is disconnected from the network.