Joining Mac to AD

Active Directory Integration for El Capitan, Yosemite, and Mavericks
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Joining Mac to AD

Postby Gjenius » Mon May 18, 2015 5:00 am

Hi folks,

If I try to join a Mac into the AD using the setup wizard, I recieve the following error message:

Image

I checked the network settings, including DNS-entries and search-domains - They are correct.
I also successfully reached both DNS-servers using the terminal.

I'm looking forward for some helpful responses.
Gjenius
 
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Joined: Mon May 18, 2015 4:27 am

Re: Joining Mac to AD

Postby michaelwolfe » Mon May 18, 2015 3:32 pm

Gjenius,

I responded to your email, but I wanted to answer this post as well should anyone else come across this kind of issue.

Time is very important to Active Directory, so if the Mac's clock is off by as little as thirty seconds, this can cause any number of problems. Please try the following steps:

- Launch the System Preferences
- Click the Date & Time pane
- Check the "Set date & time automatically" checkbox
- In the field, enter the fully qualified domain name for the DC (server.domain.com) or the IP address for the DC
- When you tab out of the field, the time may change. If it changes by more than a couple of minutes, please restart and try joining the domain again.

ADmitMac has very strict DNS requirements. Please make sure that all of your DC's have a forward LDAP, forward Kerberos, and reverse lookups available in your DNS servers configuration. You should also verify that any lookups for decommissioned DC's have been removed from your DNS servers configuration.

The error message you are receiving could also indicate that you are using a different LANMan policy in your domain than what ADmitMac is configured to use. Please verify this setting and change ADmitMac to match accordingly.


-Michael
michaelwolfe
 
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