Need to change domain name, without breaking exchange ~Solved~

I was working on a class project.

When i set up Exchange i forget to put the .com on the end of my domain. I think that it might be messing up part of my project.

I want to know if there is away to change domain name, without breaking exchange. I just don’t want to start all over again because i dont have another pc to move everything to.

The thing i think it might be messing with is my mailboxes.I have everything set up right but i can’t log in to my users mailboxes or send them mail. I can log in as Admin but i use a user and it just don’t work. I add the .com to my users email’s.

If you have any answers please help me out.

Never Mind Solved It