Mac OS Update Error - The Recovery Server Could Not Be Contacted

Solution 1:

Finally following steps worked for me,

  1. From System preference -> Date & Time, enable set time zone automatically using current location option
  2. Share location for the time being if asked

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  1. Press CMD + Space to open Spotlight search, write 'Terminal' and hit return. It will open Terminal window
  2. Enter the following command in Terminal window

sudo ntpdate -u time.apple.com