Required Settings for Samba NT4 Domains: Difference between revisions
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= General Information = |
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== Samba versions supporting Windows7 Domain Logon == |
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Microsoft discontinued the official support for NT4 domains in the Windows operating systems. However, with some modifications, you are still able to use later released Windows operating systems with a Samba NT4 domain. Anyway, consider migrating to a Samba Active Directory (AD) to avoid problems if a future update from Microsoft disables or removes no longer supported NT4 features. For details about migrating, see [[Migrating_a_Samba_NT4_Domain_to_Samba_AD_(Classic_Upgrade)|Migrating a Samba NT4 Domain to Samba AD (Classic Upgrade)]]. |
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Support for Windows 7 and Windows 2008 using Samba Domain Controllers has been added to the following versions: |
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{{Imbox |
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* Samba 3.4 |
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| type = important |
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* Samba 3.3 |
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| text = If you are running Samba Active Directory (AD), do not set any of the modifications mentioned on this page. |
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}} |
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We successfully tested Windows 7 Ultimate (Build 2600) with Samba 3.4.0 and Samba 3.3.7. |
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== Windows 7 Registry settings == |
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There are currently two registry settings required to be added on the Windows 7 client prior to joining a Samba Domain. These are: |
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= Joining Windows 7 and Later / Windows Server 2008 and Later to a Samba NT4 Domain = |
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HKLM\System\CCS\Services\LanmanWorkstation\Parameters |
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DWORD DomainCompatibilityMode = 1 |
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DWORD DNSNameResolutionRequired = 0 |
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During the join, the following error message is displayed: |
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Samba also ships with a registry patchfile that users can apply directly. |
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The patchfile can be found in recent Samba sourcecode: $SOURCE/docs-xml/registry/Win7_Samba3DomainMember.reg or in Samba Bugzilla here: |
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https://bugzilla.samba.org/attachment.cgi?id=4988&action=view |
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The following error occurred attempting to join the domain "SA": |
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Make sure to either reboot Windows 7 or restart the LanmanWorkstation service after setting these entries. |
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The specified domain either does not exist or could not be contacted. |
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To enable the client to join the Samba NT4 domain: |
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You will receive one warning about DNS domain name configuration after the join has succeeded: |
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* Save the following content to a plain text file named <code>samba_7_2008_fix.reg</code> using a text editor such as "Notepad" or "Editor" (not Word/Wordpad/OpenOffice/LibreOffice/etc.): |
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"Changing the Primary Domain DNS name of this computer to "" failed. |
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The name will remain "MYDOM". The error was: |
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The specified domain either does not exist or could not be contacted" |
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Windows Registry Editor Version 5.00 |
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This warning can be ignored or silenced with setting other registry keys. |
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[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManWorkstation\Parameters] |
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"DomainCompatibilityMode"=dword:00000001 |
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"DNSNameResolutionRequired"=dword:00000000 |
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* Log in using the local <code>Administrator</code> account. |
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'''Update:''' There is a hotfix available from Microsoft to address this, see this [http://support.microsoft.com/kb/2171571 http://support.microsoft.com/kb/2171571] Knowledge Base article for details |
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* Double-click the file to import it to the Windows registry. |
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Do '''not''' edit any other registry parameters (NETLOGON) that have been seen in the wild. If you have already modified your Windows 7 registry, please make sure to reset the keys to their default values. |
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* Reboot to take the changes effect. |
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If you have changed the NETLOGON Parameters, make sure and turn them back to '1' as shown below: |
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HKLM\System\CCS\Services\Netlogon\Parameters |
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DWORD RequireSignOrSeal = 1 |
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DWORD RequireStrongKey = 1 |
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--[[User:stwestbrook, Gd|Gd]] 15:47, 29 November 2009 (EDT) |
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= Windows 7 / Windows Server 2008 R2: Changing the Primary Domain DNS Name of This computer to "" Failed. = |
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== Windows 7 Preformance and Time Registry settings == |
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During joining the machine to the NT4 domain the following error message is displayed: |
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I want to share some of my configuration settings, they add a major improvement in domain login speed and allow to use samba as time server under Windows 7 Professional: |
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Changing the Primary Domain DNS name of this computer to "" failed. The name will remain "...". |
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echo 'Windows Registry Editor Version 5.00 |
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The error was: |
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; Win7_Samba3DomainMember |
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The specified domain either does not exist or could not be contacted |
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[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManWorkstation\Parameters] |
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"DNSNameResolutionRequired"=dword:00000000 |
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"DomainCompatibilityMode"=dword:00000001 |
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; Speedup settings |
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[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System] |
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"SlowLinkDetectEnabled"=dword:00000000 |
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"DeleteRoamingCache"=dword:00000001 |
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"WaitForNetwork"=dword:00000000 |
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"CompatibleRUPSecurity"=dword:00000001 |
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; Can drive you nuts |
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[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System] |
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"EnableLUA"=dword:00000000' | tee Win7_Samba3DomainMember_jelledj.reg |
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unix2dos Win7_Samba3DomainMember_jelledj.reg |
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You can ignore this error message or install a Microsoft hotfix on the Windows machine. For details, see [http://support.microsoft.com/kb/2171571 KB2171571]. |
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echo '@echo off |
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echo. |
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echo WARNING: Do not close this window!!! |
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echo. |
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c:\"Program Files\Windows Resource Kits\Tools\ntrights.exe" +r SeSystemTimePrivilege -u "Domain Users" |
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echo. |
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echo WARNING: You may now close this window!!! |
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echo.' | tee SeSystemTimePrivilege_jelledj.bat |
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unix2dos SeSystemTimePrivilege_jelledj.bat |
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echo '@echo off |
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echo. |
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echo WARNING: Do not close this window!!! |
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echo. |
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"C:\Program Files\Mozilla Firefox\firefox.exe" http://download.microsoft.com/download/8/e/c/8ec3a7d8-05b4-440a-a71e-ca3ee25fe057/rktools.exe |
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echo. |
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echo WARNING: You may now close this window!!! |
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echo.' | tee rktools_jelledj.bat |
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unix2dos rktools_jelledj.bat |
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echo '@echo off |
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echo. |
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echo WARNING: Do not close this window!!! |
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echo. |
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NET USE Y: /DELETE |
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NET USE Y: \\server\documenten /PERSISTENT:YES |
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NET TIME \\server /SET /YES |
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echo. |
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echo WARNING: You may now close this window!!! |
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echo.' | tee /srv/storage/samba/netlogon/netlogon.bat |
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unix2dos /srv/storage/samba/netlogon/netlogon.bat |
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setfacl --recursive --modify u::rw,g::r,m:---,o:--- /srv/storage/samba/netlogon/netlogon.bat |
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chmod g+r /srv/storage/samba/netlogon/netlogon.bat |
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cat /srv/storage/samba/netlogon/netlogon.bat |
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su -c "cat /srv/storage/samba/netlogon/netlogon.bat" jelledj |
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--[[User:Tuxcrafter|Tuxcrafter]] 15:12, 18 January 2011 (CST) |
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= Windows 8.1 / Windows Server 2012 R2: Error code 0x80090345 launching Windows Credential Manager = |
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After installing the [https://support.microsoft.com/en-us/kb/3000850 November 2014 update rollup (KB3000850)] the following error is displayed: |
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Error code 0x80090345 launching Windows Credential Manager |
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To fix this problem: |
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* Save the following content to a plain text file named <code>samba_8_2012_fix.reg</code> using a text editor such as "Notepad" or "Editor" (not Word/Wordpad/OpenOffice/LibreOffice/etc.): |
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Windows Registry Editor Version 5.00 |
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[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Protect\Providers\df9d8cd0-1501-11d1-8c7a-00c04fc297eb] |
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"ProtectionPolicy"=dword:00000001 |
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* Log in using the local <code>Administrator</code> account. |
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* Double-click the file to import it to the Windows registry. |
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* Reboot to take the changes effect. |
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= Windows 10 = |
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{{Imbox |
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| type = important |
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| text = Microsoft seems to be trying to get everybody to run Active Directory (AD), You may not be able to join a Windows 10 PC to an NT4-style domain. It has been reported that rolling back to an earlier version of Windows 10 does allow the join to occur. You should plan to upgrade to AD as soon as possible. |
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}} |
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= Windows 10 and Windows Server 2016: There Are Currently No Logon Servers Available to Service the Logon Request = |
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After you successfully joined Windows 10 or Windows Server 2016 to your Samba NT4 domain, logging in failed and the following error is displayed: |
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There are currently no logon servers available to service the logon request. |
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To work around this problem, configure the Samba Primary Domain Controller (PDC) to support only the SMB 1 protocol. However, Microsoft deprecated the SMB 1 protocol in Windows and will remove the protocol in a future version. Windows 10 and Windows Server 2016 Fall Creators Update 1709 and later do no longer install SMB 1 by default. For details, see [https://support.microsoft.com/en-us/help/4034314/smbv1-is-not-installed-windows-10-and-windows-server-version-1709 SMBv1 is not installed by default in Windows 10 Fall Creators Update and Windows Server, version 1709]. Before you re-enable SMB 1 on Windows, the workaround described in this section will fail. For details about re-enabling SMB 1 on Windows, see your Windows documentation. |
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To configure the PDC to only support the SMB 1 protocol: |
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* Set the following parameter in the <code>[global]</code> section in the <code>smb.conf</code> file: |
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server max protocol = NT1 |
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:{{Imbox |
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| type = note |
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| text = This setting prevent all your clients to use a newer SMB protocol version than SMB 1 when communicating with the PDC. Anyway, the Samba team recommends to use this workaround. Disabling newer SMB versions on the Windows 10 client instead prevent this machine communicating using newer SMB version with <u>all</u> Samba/Windows hosts. |
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}} |
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* Restart Samba. |
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= Using Powershell = |
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It has been reported by Alexandru Joni, that is possible to join Windows 10 to an NT4-style domain using Powershell: |
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Add a local computer to a domain using credentials |
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Add-Computer -ComputerName Server01 -LocalCredential Server01\Admin01 -DomainName Domain02 -Credential Domain02\Admin02 -Restart –Force |
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= IMPORTANT: Registry Changes That You Should Never Set! = |
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{{Imbox |
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| type = warning |
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| text = You must not to change the values of the <code>RequireSignOrSeal</code> or <code>RequireStrongKey</code>. Changing the settings breaks the interoperability with Windows and Samba installations. |
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}} |
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If you changed these parameters, reset the values of both keys back to <code>1</code>: |
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* Save the following content to a plain text file named <code>reset_RequireSignOrSeal_RequireStrongKey.reg</code> using a text editor such as "Notepad" or "Editor" (not Word/Wordpad/OpenOffice/LibreOffice/etc.): |
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Windows Registry Editor Version 5.00 |
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[HKEY_LOCAL_MACHINE\System\CCS\Services\Netlogon\Parameters] |
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"RequireSignOrSeal"=dword:00000001 |
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"RequireStrongKey"=dword:00000001 |
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* Log in using the local "<code>Administrator</code> account. |
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* Double-click the file to import it to the Windows registry. |
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* Reboot to take the changes effect. |
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---- |
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[[Category:NT4 Domains]] |
Latest revision as of 10:26, 24 January 2020
General Information
Microsoft discontinued the official support for NT4 domains in the Windows operating systems. However, with some modifications, you are still able to use later released Windows operating systems with a Samba NT4 domain. Anyway, consider migrating to a Samba Active Directory (AD) to avoid problems if a future update from Microsoft disables or removes no longer supported NT4 features. For details about migrating, see Migrating a Samba NT4 Domain to Samba AD (Classic Upgrade).
If you are running Samba Active Directory (AD), do not set any of the modifications mentioned on this page. |
Joining Windows 7 and Later / Windows Server 2008 and Later to a Samba NT4 Domain
During the join, the following error message is displayed:
The following error occurred attempting to join the domain "SA": The specified domain either does not exist or could not be contacted.
To enable the client to join the Samba NT4 domain:
- Save the following content to a plain text file named
samba_7_2008_fix.reg
using a text editor such as "Notepad" or "Editor" (not Word/Wordpad/OpenOffice/LibreOffice/etc.):
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LanManWorkstation\Parameters] "DomainCompatibilityMode"=dword:00000001 "DNSNameResolutionRequired"=dword:00000000
- Log in using the local
Administrator
account.
- Double-click the file to import it to the Windows registry.
- Reboot to take the changes effect.
Windows 7 / Windows Server 2008 R2: Changing the Primary Domain DNS Name of This computer to "" Failed.
During joining the machine to the NT4 domain the following error message is displayed:
Changing the Primary Domain DNS name of this computer to "" failed. The name will remain "...". The error was: The specified domain either does not exist or could not be contacted
You can ignore this error message or install a Microsoft hotfix on the Windows machine. For details, see KB2171571.
Windows 8.1 / Windows Server 2012 R2: Error code 0x80090345 launching Windows Credential Manager
After installing the November 2014 update rollup (KB3000850) the following error is displayed:
Error code 0x80090345 launching Windows Credential Manager
To fix this problem:
- Save the following content to a plain text file named
samba_8_2012_fix.reg
using a text editor such as "Notepad" or "Editor" (not Word/Wordpad/OpenOffice/LibreOffice/etc.):
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Protect\Providers\df9d8cd0-1501-11d1-8c7a-00c04fc297eb] "ProtectionPolicy"=dword:00000001
- Log in using the local
Administrator
account.
- Double-click the file to import it to the Windows registry.
- Reboot to take the changes effect.
Windows 10
Microsoft seems to be trying to get everybody to run Active Directory (AD), You may not be able to join a Windows 10 PC to an NT4-style domain. It has been reported that rolling back to an earlier version of Windows 10 does allow the join to occur. You should plan to upgrade to AD as soon as possible. |
Windows 10 and Windows Server 2016: There Are Currently No Logon Servers Available to Service the Logon Request
After you successfully joined Windows 10 or Windows Server 2016 to your Samba NT4 domain, logging in failed and the following error is displayed:
There are currently no logon servers available to service the logon request.
To work around this problem, configure the Samba Primary Domain Controller (PDC) to support only the SMB 1 protocol. However, Microsoft deprecated the SMB 1 protocol in Windows and will remove the protocol in a future version. Windows 10 and Windows Server 2016 Fall Creators Update 1709 and later do no longer install SMB 1 by default. For details, see SMBv1 is not installed by default in Windows 10 Fall Creators Update and Windows Server, version 1709. Before you re-enable SMB 1 on Windows, the workaround described in this section will fail. For details about re-enabling SMB 1 on Windows, see your Windows documentation.
To configure the PDC to only support the SMB 1 protocol:
- Set the following parameter in the
[global]
section in thesmb.conf
file:
server max protocol = NT1
This setting prevent all your clients to use a newer SMB protocol version than SMB 1 when communicating with the PDC. Anyway, the Samba team recommends to use this workaround. Disabling newer SMB versions on the Windows 10 client instead prevent this machine communicating using newer SMB version with all Samba/Windows hosts.
- Restart Samba.
Using Powershell
It has been reported by Alexandru Joni, that is possible to join Windows 10 to an NT4-style domain using Powershell:
Add a local computer to a domain using credentials
Add-Computer -ComputerName Server01 -LocalCredential Server01\Admin01 -DomainName Domain02 -Credential Domain02\Admin02 -Restart –Force
IMPORTANT: Registry Changes That You Should Never Set!
You must not to change the values of the RequireSignOrSeal or RequireStrongKey . Changing the settings breaks the interoperability with Windows and Samba installations. |
If you changed these parameters, reset the values of both keys back to 1
:
- Save the following content to a plain text file named
reset_RequireSignOrSeal_RequireStrongKey.reg
using a text editor such as "Notepad" or "Editor" (not Word/Wordpad/OpenOffice/LibreOffice/etc.):
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\System\CCS\Services\Netlogon\Parameters] "RequireSignOrSeal"=dword:00000001 "RequireStrongKey"=dword:00000001
- Log in using the local "
Administrator
account.
- Double-click the file to import it to the Windows registry.
- Reboot to take the changes effect.