https://jeffpar.github.io/kbarchive/kb/174/Q174741/
Q174741: XFOR: Exchange Dirsync Server Allows Empty Admin Mailbox | KnowledgeBase Archive
An Archive of Early Microsoft KnowledgeBase Articles
exchangedirsyncserver
https://jeffpar.github.io/kbarchive/kb/243/Q243190/
Q243190: XFOR: Notes Dirsync Error Message: Event IDs 94086 and 94096 | KnowledgeBase Archive
An Archive of Early Microsoft KnowledgeBase Articles
https://jeffpar.github.io/kbarchive/kb/152/Q152424/
Q152424: XFOR: Exchange Requestor Drops Users After Dirsync | KnowledgeBase Archive
An Archive of Early Microsoft KnowledgeBase Articles
exchangedropsusersdirsyncknowledgebase
https://learn.microsoft.com/en-us/previous-versions/azure/azure-services/dn441213(v=azure.100)?redirectedfrom=MSDN
DirSync with Single Sign-On | Microsoft Learn
single sign ondirsyncmicrosoftlearn