To find the FQDN
- On the Windows Taskbar, click Start > Programs > Administrative Tools > Active Directory Domains and Trusts
- In the left pane of the Active Directory Domains and Trusts dialog box, look under Active Directory Domains and Trusts.
- The FQDN for the computer or computers is listed.
Note: This information should also be located under System Properties > Computer Name next to Domain, and under Active Directory Users and Computers.