What’s New in SQL Server AlwaysOn and Availability Groups
Now, with a couple of years under their belt with these features, Microsoft is starting to open up several of the previously tight limitations such as the number of secondaries allowed.
You can use AlwaysOn and availability groups with complex data managed through FILESTREAM, even when using Remote Blog Storage and FileTable.
Up to 8 secondary replicas can be defined for any one availability group. This used to be 4 secondary replicas max.
There can be up to 3 Synchronous Commit replicas. ...
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