[Samba] Group policies are not applied

[durwin at mgtsciences.com]

I looked into Windows EventViewer and I found 'Invalid Credentials'.
But I do not know how to deal with it.  I have authenticated with
Domain Controller, why is it saying 'Invalid Credentials'?

- System 
  - Provider 
   [ Name]  Microsoft-Windows-GroupPolicy 
   [ Guid]  {aea1b4fa-97d1-45f2-a64c-4d69fffd92c9} 
   EventID 1006 
   Version 0 
   Level 2 
   Task 0 
   Opcode 1 
   Keywords 0x8000000000000000 
  - TimeCreated 
   [ SystemTime]  2019-04-29T20:16:23.376718300Z 
   EventRecordID 2164 
  - Correlation 
   [ ActivityID]  {c01dfdd1-5771-42cc-913e-251a86edcb5e} 
  - Execution 
   [ ProcessID]  1020 
   [ ThreadID]  228 
   Channel System 
   Computer wks0.msi.company.com 
  - Security 
   [ UserID]  S-1-5-21-3407800973-3157138678-394113442-1106 
- EventData 
  SupportInfo1 1 
  SupportInfo2 6191 
  ProcessingMode 2 
  ProcessingTimeInMilliseconds 3063 
  ErrorCode 49 
  ErrorDescription Invalid Credentials 
  DCName 


> From: Durwin De La Rue/Mgtsciences/US
> To: samba at lists.samba.org
> Date: 04/29/2019 01:39 PM
> Subject: Group policies are not applied
> 
> I have hollowed these instructions.
> https://github.com/thctlo/samba4/blob/master/full-howto-Ubuntu18.04-
> samba-AD_DC.txt
> 
> My normal domain is company.com.  For the Samba domain it is 
msi.company.com.
> 
> DNS is working. I ran these commands.
> host -t SRV _ldap._tcp.msi.company.com.
> _ldap._tcp.msi.company.com has SRV record 0 100 389 dc0.msi.company.com.
> 
> host -t SRV _kerberos._udp.msi.company.com.
> _kerberos._udp.msi.company.com has SRV record 0 100 88 
dc0.msi.company.com.
> 
> host -t A dc0.msi.company.com.
> dc0.msi.company.com has address 172.23.93.25
> 
> host -t A msi.company.com
> msi.company.com has address 172.23.93.25
> 
> host -t A dc0.msi.company.com
> dc0.msi.company.com has address 172.23.93.25
> 
> host -t SRV _kerberos._udp.msi.company.com
> _kerberos._udp.msi.company.com has SRV record 0 100 88 
dc0.msi.company.com.
> 
> host -t SRV _ldap._tcp.msi.company.com
> _ldap._tcp.msi.company.com has SRV record 0 100 389 dc0.msi.company.com.
> 
> I can even resolve machines on company.com
> 
> I can join msi domain, add and modify users, but Group Policies are 
> not applied.  I can even logon with created user.
> 
> These are Group Policies I added.
> Add a Group Policy for adding Domain Users to local Admin group.
> https://wiki.samba.org/index.php/
> Managing_local_groups_on_domain_members_via_GPO_restricted_groups
> 
> And this one to display logon message. Scroll down to 'Step 3: 
> Domain Group Policy Management'
> https://www.tecmint.com/manage-samba4-dns-group-policy-from-windows/
> 
> Here is my smb.conf file to start with.  I don't know what else to 
> send at this time.
> 
> Ub18.04> less /etc/samba/smb.conf
> # Global parameters
> [global]
>     netbios name = DC0
>     realm = MSI.COMPANY.COM
>     server role = active directory domain controller
>     server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, 
> drepl, winbindd, ntp_signd, kcc, dnsupdate
>     workgroup = MSI
>     idmap_ldb:use rfc2307 = yes
> 
> [netlogon]
>     path = /var/lib/samba/sysvol/msi.company.com/scripts
>     read only = No
> 
> [sysvol]
>     path = /var/lib/samba/sysvol
>     read only = No
> 
> Thank you,
> 
> Durwin
> 
> 
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