[Samba] Samba 4 with Microsoft Exchange

Gaetan SLONGO gslongo at it-optics.com
Thu Jan 3 14:52:29 UTC 2019

Hi Geert, 

Thank you for these informations. Very interesting. I'll investigate that way 

Best regards, 

----- Mail original -----

De: "LORANG Geert" <geert.lorang at hexagon.com> 
À: "Gaetan SLONGO" <gslongo at it-optics.com>, "samba" <samba at lists.samba.org> 
Envoyé: Jeudi 13 Décembre 2018 16:54:26 
Objet : Re: [Samba] Samba 4 with Microsoft Exchange 

On 10/12/2018 11:48, Gaetan SLONGO via samba wrote: 
> We would like to know if recent developments and improvements allow to use a Microsoft Exchange infrastructure with Samba 4 as an Active Directory Controller ? 
> Any informations about it ? 

I've done some tests / research few months back on this but we've 
abandoned this path as it's definitely not production ready. 

Some notes I can share from testing Exchange 2013 / 2016 against Samba 

- You need some ldbedit hacking to get past the OS check Exchange setup 
performs in the beginning (e.g. operatingSystem: Samba -> Windows, 
operatingSystemVersion -> 6.1 (7601))) 
- Any CU update from 2013 or Exchange 2016 does not work because the 
schema extensions for possSuperiors/authOrig attributes do not cooperate 
well with Samba 
- RC1 of Exchange 2013 against Samba 4.6.5 can actually do all schema 
extension successfully but then we got stuck at the Mailbox Role 
Installation / EAC not fully functional. 

After that we gave up. 

On the other hand, I can tell you that Azure AD Connect works really 
well with Samba against Office 365. 
In this scenario you just sync your (Samba) AD users to a new AD setup 
by Microsoft in Azure and you can run Exchange / Office 365 against the 
the ADDC in the cloud. 

you can setup a free trial for 30 days. I believe you can extend it to 
90 days via the portal afterwards. 

Hope this helps; 



Gaëtan SLONGO | Head of Infrastructure Department 
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