In the windows explorer, the mapped drive works fine. I (logged as Administrator) can copy, paste, delete both files and folders in this drive.

Does it mean that the drive is...

If I run xp_cmdshell 'dir F:\descarga\00005\' the I get the error "Drive is not ready" but the drive exists.

If I run xp_cmdshell 'dir \\SERVER\SHAREDFOLDER\descarga\00005\' the I get the error "Error...

The sqlserver services are running under Administrator account of the machine, not under LocalSystem account.

Thanks.

Jesús.

Thanks a lot Franco.