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@Farr, Jeff ,
Welcome to Q&A forum!
- Which version of SQL server are you using?
- Please go to File>Account to view and share the detailed version of Visio with us.
According to your description, I found this official article: Reverse engineer an existing database into a database model, please check if it helps.
Per my research, I suggest you try to download Microsoft OLE DB Driver for SQL Server and see if it helps.
Besides, I also suggest you post a new question in the following forum to see if there are more help.
Microsoft Tech Community
Thanks for your understanding!
Any updates, pleae let me know.
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