On Mon, 15 Aug 2016, Petr Spacek wrote:
On 12.8.2016 02:18, Paul Smith wrote:
I'm having issues establishing Trust with an existing Active Directory
domain (Windows Server 2012 R2). I can get IPA up and running and have
spent the day troubleshooting DNS\Kerberos

I think the main issue is something remaining in kerberos but i'm not sure
I followed the deployment and troubleshooting guide as best I could with my
The problem happens when I try the ipa trust-add. I get a message:
ipa: ERROR: AD domain controller complains about communication sequence

I know that my time zone and time is in sync with the same server.
This is a proof-of-concept design that I'd like to explore\learn more
about. Below are details on the linux environment:

*uname -a*
Linux dclinux.linuxtrust.local 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27
16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

*lsb_release -a*
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.1 LTS
Release:        16.04
Codename:       xenial

*ipa --version*
VERSION: 4.3.1, API_VERSION: 2.164

If anyone can help, I'd be more than willing to post the detailed samba
logs, as this is just a local lab environment
Unless things changed, Ubuntu-built Samba is linked with Heimdal
kerberos, not MIT Kerberos, and thus cannot be used with FreeIPA for
trust setup.

See https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1552249
/ Alexander Bokovoy

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