[Foreigner]

Код:

@echo off

2>nul net use z: \\192.168.1.3\1C_base\7.7 /user:%computername%\<remoteuser> <remotepassword> || (

      net use z: \\192.168.1.4\1C_base\7.7 /user:%computername%\<remoteuser> <remotepassword>

)