I run the "Add new node" from Node-B, but in the end of SQL Server Setup, I got this error:

"The installed language for the SQL_Engine_Core_Inst feature is inconsistent between the...

Yes, it is running in node A.

I can open SQL Server Management Studio & connect to this instance (MSSQLSERVERVAS).

In Failover Cluster Manager:

- MSDTC is online, running

- SQL...