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Something here may help.
https://www.server-world.info/en/note?os=Windows_Server_2019&p=active_directory&f=12
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Migrate 2008 to 2019 attributes Unix
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fegume xx
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Hello. We need migrate DC windows 2008 to Windows 2019. We have one mail system to autheticate qith LDAP attributes UNIX. My question is: When we will migrate DC to Windows 2019 and remove Dcs Windows 2008. The Ldap atrributes UNIX be migrate too? Regards!
Windows for business Windows Client for IT Pros Directory services Active Directory
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous2021-03-03T08:31:53.197+00:00 Hello @fegume xx ,
How are things going on your end? Please keep me posted on this issue.
If you have any further questions or concerns about this question, please let us know.
I appreciate your time and efforts.Best Regards,
Daisy Zhou -
Anonymous
2021-03-05T08:55:01.69+00:00 Hello @fegume xx ,
I just want to confirm the current situations.Please feel free to let us know if you need further assistance.
Best Regards,
Daisy Zhou
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Anonymous
2021-02-26T13:42:31.103+00:00 -
Anonymous
2021-03-01T03:48:58.82+00:00 Hello @fegume xx ,
Thank you for posting here.
After my resaerch, the Ldap atrributes UNIX can be migrated, too.
For more information, we can refer to the following two similar cases.
Questions about 2003 Domain upgrade to 2012 R2 with Unix Attributes
https://social.technet.microsoft.com/Forums/en-US/c2078795-372f-4c46-adb3-dc6b2f766127/questions-about-2003-domain-upgrade-to-2012-r2-with-unix-attributes?forum=winserverDSWhy an attribute cannot be removed from the Active directory Schema
https://social.technet.microsoft.com/Forums/ie/en-US/28e3e172-1942-4884-b0a8-c66e3df73d19/why-an-attribute-cannot-be-removed-from-the-active-directory-schema?forum=winserverDSBy the way, the minimum requirement to add a Windows Server 2019 Domain Controller is a Windows Server 2008 functional level. The domain also has to use DFS-R as the engine to replicate SYSVOL.
Hope the information above is helpful.
Should you have any question or concern, please feel free to let us know.
Tip: you had better test in your lab for the migration above if possible.
Best Regards,
Daisy Zhou