MS SQL Server: run external program

Hi

I'm trying to run MS Access runtime, with my procedure and an additional 
parameter

the command line is 
MSACCESS.EXE c:\Sviluppo\QCT\QCT1000.mdb ;255

without path, being it already included in the PATH variable

this command works fine when I use the "Run" window




when I try this command from within MSSMS

EXEC xp_cmdshell 'MSACCESS.EXE c:\Sviluppo\QCT\QCT1000.mdb ;255';  
GO  

I get the error:

output
'MSACCESS.EXE' is not recognized as an internal or external command,
operable program or batch file.
NULL


If I include the path in the command line 

EXEC xp_cmdshell '"C:\Program Files\Microsoft Office\Office16\MSACCESS.EXE" 
c:\Sviluppo\QCT\QCT1000.mdb ;255';  
GO  

it goes into a loop and I have to kill MSSMS to exit

Note that I'm not sure how to use "" because of the space in the path 
between words Microsoft and Office

Any suggestion is welcome



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