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Fix: The Recovery Server Could Not Be Contacted – Mac OS Sierra

Fix: The Recovery Server Could Not Be Contacted – Mac OS Sierra

If you are trying to install Mac OS X (while in mac os recovery mode) onto a new volume on your Mac over your LAN network or Wi-Fi, you may receive an error.

 

The recovery server could not be contacted.

 

A solution provided by a user (Brano) on our site:

1. Launch Terminal and type:

 

ntpdate -u time.apple.com

 

 

Note: If you receive "operation not permitted" put sudo in front of the command.

 

sudo ntpdate -u time.apple.com

 


2. Proceed normally.

 


The problem is, SYSTEM DATE is wrong, and CERT validation is failing (https)

First, ensure your Mac is connected to a wired or wireless network. To connect wired network, plug an Ethernet cable in. To connect to a wireless network, go to the top right corner of the screen and choose the wireless icon and connect to a network.

If you are still experiencing the issue, it is very likely that the Apple servers are busy processing download requests for other users. You may also see your installation time rise significantly but come down suddenly over time.

 

If you are currently experiencing this issue, use the comment form below to let us now.

 


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Comments

Mark on Thursday, 21 December 2017 08:59

Worked like a charm. Communication was just right. Thank you.

Worked like a charm. Communication was just right. Thank you.
Ron on Wednesday, 20 December 2017 09:40

This fix worked great. Thank you!

This fix worked great. Thank you!
Andy on Sunday, 17 December 2017 10:29

yep - it worked (plus reconnecting to WiFi - otherwise no go) Thanks!

yep - it worked (plus reconnecting to WiFi - otherwise no go) Thanks!
Dgott on Friday, 15 December 2017 22:47

LITERALLY THIS! I just had to reconnect to internet. Upper right corner had list of internet connections. Had to login. I didn't even see it was greyed out. Thank you Shakey Jake!

LITERALLY THIS! I just had to reconnect to internet. Upper right corner had list of internet connections. Had to login. I didn't even see it was greyed out. Thank you Shakey Jake!
Shakey Jake on Thursday, 14 December 2017 16:54

Date thing didn’t work for me, but found I just had to reconnect to internet. Upper right corner had list of internet connections. Had to login.

Weird, because clicking ‘Find answer online’ had connected me to Safari. Something about the installation screen.

Date thing didn’t work for me, but found I just had to reconnect to internet. Upper right corner had list of internet connections. Had to login. Weird, because clicking ‘Find answer online’ had connected me to Safari. Something about the installation screen.
Andy on Thursday, 14 December 2017 13:04

"can't find host time at time.apple.com, no servers can be used" no fix here

"can't find host time at time.apple.com, no servers can be used" no fix here
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Thursday, 20 February 2020




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