How to connect remotely to MSSQL database from local, using windows Authentication?
Assuming you are in a different domain, you can launch SSMS using the remote Windows commercials. Open a command prompt in the folder where ssms.exe lives, and run:

runas /netonly /user:remotedomain\remoteuser ssms.exe


You will be prompted for your password. SSMS will be using remote Windows credentials even though several UI elements will look like you're using the local ones.

This technique should work for launching other executables, like sqlcmd or powershell, but I haven't tested those. I know it works for SentryOne and Plan Explorer.

You can also use Credential Manager, which I wrote about (in addition to more details about runas) here:


Connect to SQL Servers in another domain using Windows Authentication