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That got it working. THANK YOU!
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No comment has been added to this question in more than 21 days, so it is now classified as abandoned.<br />
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I have recommended this question be closed as follows:<br />
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Accept: Shaun Vermaak (<a href="https:#a42356633" rel="ugc">https:#a42356633</a>)<br />
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If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.<br />
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Pber<br />
Experts-Exchange Cleanup Volunteer
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No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: Shaun Vermaak (https:#a42356633 [https:#a42356633])

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

Pber
Experts-Exchange Cleanup Volunteer

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I have a file server that was upgraded to Server 2016. The upgrade went well, no errors during the upgrade. The odd part is the domain usernames in the share properties and security tab property's only show SID's. I can remove the SID and put the user from AD back as it belongs and it works fine. The even odder part is I can close the properties box and reopen it and the SID has returned! The users are still able to get to their files, no issues there but from an administrative stand point I the human cant translate a SID to a username. <br />
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Any help would be appreciative.
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I have a file server that was upgraded to Server 2016. The upgrade went well, no errors during the upgrade. The odd part is the domain usernames in the share properties and security tab property's only show SID's. I can remove the SID and put the user from AD back as it belongs and it works fine. The even odder part is I can close the properties box and reopen it and the SID has returned! The users are still able to get to their files, no issues there but from an administrative stand point I the human cant translate a SID to a username. 

Any help would be appreciative.

SIDs only displayed after upgrade to server 2016

Windows Server 2016 is the successor to Windows Server 2012 R2. Built upon the same core code as Windows 10, Windows Server 2016 brings enhancements in security, servicing, and connectivity. A particular focus on this release was hybrid-cloud scenarios, and has close ties to Azure and other Microsoft cloud initiatives. This does not detract from the many improvements that are available for on-premises-only deployments

Windows Server 2016 comes in Datacenter, Standard, and Essentials editions, and for servicing, has adopted windows 10's cumulative model. The new nano-server install is designed to be remotely managed and is designed to be kept current through continuous feature updates. The full GUI install operates similarly to windows 10's "Long Term Servicing Branch" (LTSB) model with cumulative security updates.

Windows Server 2016 has also shifted from a per-processor-and-CAL licensing model to a per-core-and CAL licensing model. This brings Windows Server's licensing more in line with Microsoft's other products and makes hybrid-cloud license planning easier as well.