You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

User profile for user: chasbar53
chasbar53 Author
User level: Level 1
18 points

Error Code 2002F when trying to update to Catalina

Hi,

For some reason my Mac (Late 2013) decided to freeze at about 99.9% startup.

I suspected a lame driver so tried to recover.

Tried all the non drastic recovery Command+R but this didn't succeed!

Silly me did not do the right thing by backing up the system :-(.

So made the drastic decision to erase and format.

Recovered to OS X Mountain Lion.

But now am unable to upgrade to Catalina.

Trying through Safari - App Store or Upgrade through Preferences gives

"Unable to connect" "Not a secure connection".

Tried the Option+Command+R and waited while the world spun and ended up with the error code -2002F.

Connecting through Wifi.

Sharing of knowledge would be appreciated.


[Re-Titled by Moderator]

iMac 27″, macOS 10.15

Posted on Jul 21, 2023 2:27 PM

Reply
Question marked as Top-ranking reply
User profile for user: BDAqua
BDAqua
User level: Level 10
245,507 points

Posted on Jul 22, 2023 12:57 AM

My notes on error "2002f" was reported when i had DHCP forwarder enabled on the router.


the solution was simple:


1 - I had to set the static DNS servers to google's DNS IP addresses instead of openDNS.


2 - I Had to enable "DNSmasq for DHCP" & "DNSmasq for DNS"


The recovery worked as expected it took around 20 minutes to download the initial recovery utility, then another 4 Hours to download OSX lion.


https://cleanbrowsing.org/guides/manually-change-dns-on-a-mac-terminal/

Manually Change DNS on a Mac (Terminal) - DNS Content Filtering (cleanbrowsing.org)


But...


 Start up from macOS Recovery

Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


APFS won't work for Sierra, Sierra needs MacOS Extended Journaled. High Sierra won't work for APFS on earlier Macs.


What has often worked for others is to use this Restore Method instead of CMD+r keys...


Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


2017 iMac failing to install Sierra in re… - Apple Community

Clean Install of High Sierra: Multiple Fa… - Apple Community


View in context

Similar questions

3 replies
Question marked as Top-ranking reply
User profile for user: BDAqua
BDAqua
User level: Level 10
245,507 points

Jul 22, 2023 12:57 AM in response to chasbar53

My notes on error "2002f" was reported when i had DHCP forwarder enabled on the router.


the solution was simple:


1 - I had to set the static DNS servers to google's DNS IP addresses instead of openDNS.


2 - I Had to enable "DNSmasq for DHCP" & "DNSmasq for DNS"


The recovery worked as expected it took around 20 minutes to download the initial recovery utility, then another 4 Hours to download OSX lion.


https://cleanbrowsing.org/guides/manually-change-dns-on-a-mac-terminal/

Manually Change DNS on a Mac (Terminal) - DNS Content Filtering (cleanbrowsing.org)


But...


 Start up from macOS Recovery

Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


APFS won't work for Sierra, Sierra needs MacOS Extended Journaled. High Sierra won't work for APFS on earlier Macs.


What has often worked for others is to use this Restore Method instead of CMD+r keys...


Option-⌘-R

Upgrade to the latest macOS compatible with your Mac.


2017 iMac failing to install Sierra in re… - Apple Community

Clean Install of High Sierra: Multiple Fa… - Apple Community


Reply

Error Code 2002F when trying to update to Catalina

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.
Learn more Sign up