[Samba] Error Upgrading Schema

[Matthew Delfino Samba List]

Hello!

I just upgraded from Samba v4.10.9 to v4.11.15. The upgrade seems to have gone smoothly. As part of major release maintenance, I ran the following command on my schema master DC:

> samba-tool domain schemaupgrade

I get the following output:

> Temporarily overriding 'dsdb:schema update allowed' setting
> Patched Sch49.ldf using /usr/share/samba/setup/adprep/WindowsServerDocs/Sch49.ldf.diff
> Patched Sch50.ldf using /usr/share/samba/setup/adprep/WindowsServerDocs/Sch50.ldf.diff
> Patched Sch51.ldf using /usr/share/samba/setup/adprep/WindowsServerDocs/Sch51.ldf.diff
> Patched Sch57.ldf using /usr/share/samba/setup/adprep/WindowsServerDocs/Sch57.ldf.diff
> Patched Sch59.ldf using /usr/share/samba/setup/adprep/WindowsServerDocs/Sch59.ldf.diff
> Applying Sch48.ldf updates...
> Exception: (68, 'Entry CN=ms-DS-Members-Of-Resource-Property-List,CN=Schema,CN=Configuration,DC=orbital,DC=knockinc,DC=net already exists')
> Encountered while trying to apply the following LDIF
> ----------------------------------------------------
> dn: CN=ms-DS-Members-Of-Resource-Property-List,CN=Schema,CN=Configuration,DC=orbital,DC=knockinc,DC=net
changetype: add
> objectClass: attributeSchema
> ldapDisplayName: msDS-MembersOfResourcePropertyList
> adminDisplayName: ms-DS-Members-Of-Resource-Property-List
> adminDescription: For a resource property list object, this multi-valued link attribute points to one or more resource property objects.
> attributeId: 1.2.840.113556.1.4.2103
> attributeSyntax: 2.5.5.1
> omSyntax: 127
> isSingleValued: FALSE
> systemOnly: FALSE
> searchFlags: 0
> omObjectClass:: KwwCh3McAIVK
> schemaIdGuid:: ERw3Ta1MQUyK0rGAqyvRPA==
> linkID: 2180
> showInAdvancedViewOnly: TRUE
> systemFlags: 16

> Exception: (68, 'Entry CN=ms-DS-Members-Of-Resource-Property-List,CN=Schema,CN=Configuration,DC=orbital,DC=knockinc,DC=net already exists')
> Error encountered, aborting schema upgrade
> ERROR: Failed to upgrade schema

Do you have any suggestions on how to troubleshoot? My schema is already on version 47.

Thank you for your time,
Matthew
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