[Samba] Extending Samba-4 Schema to get Microsoft LAPS working

Andrew Bartlett abartlet at samba.org
Thu Nov 22 04:41:58 UTC 2018

On Thu, 2018-11-22 at 09:58 +0530, Ardos via samba wrote:
> Hi,
> I am trying to get the Microsoft LAPS working in my samba-4 AD 
> environment. Microsoft LAPS requires us to extend the schema and add two 
> attributes "ms-Mcs-AdmPwd" (Stores the password in plain text) and 
> "ms-Mcs-AdmPwdExpirationTime" (Stores the time to reset the password).
> I have added the Group Policy part of Microsoft LAPS to Windows RSAT (on 
> Windows Server 208 R2) and also been able to extend the samba-4 schema 
> by adding the two attributes. However, I am not able to add the above 
> two attributes to Computers (dn: 
> CN=Computers,CN=Schema,CN=Configuration,DC=sample,DC=com). I am not 
> finding a sample LDIF file to make this modification to computers.
> Can some one help with this?
> I have attached the two ldif files used to add the two attributes to 
> Samba-4 schema.

Have you set the magic smb.conf setting?

dsdb:schema update allowed=true


Andrew Bartlett
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba

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