On the server you need to install the 64-bit provider from redis in accordance with the program that you will use to call it, in this case SQL Server, which is a 64-bit executable file, does not matter which provider is installed on the local computer, which performs SSMS. Also note that Office11 is the internal name for Office 2003, Office12, which is for Office 2007 and Office14, which is most likely for Office 2010, after installing the redis package for Office 2010, you need to change the code as follows:
EXEC sp_addlinkedserver @server = 'ExcelServer2', @srvproduct = 'Excel', @provider = 'Microsoft.ACE.OLEDB.14.0', @datasrc = 'D:\MyFTP\Jul19\FAILED\DCSDIM.xlsx', @provstr = 'Excel 14.0;IMEX=1;HDR=YES;' SELECT * FROM ExcelServer2...DCSDIM
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