10 Command Every Server Admin Must Know

Active Directory1. To list all the FSMO role holders in your forest, run this command:

• netdom query fsmo

2. To refresh group policy settings, run this command:

• gpupdate

3. To check Active Directory replication on a domain controller, run this command:

• repadmin /replsummary

4. To force replication from a domain controller without having to go through to Active

• Directory Sites and Services, run this command:
• repadmin /syncall

5. To see what server authenticated you (or if you logged on with cached credentials) you can run either of these commands:

• set l
• echo %logonserver%

5. To see what account you are logged on as, run this command:

• whoami

6. To see the domain account policy (password requirements, lockout thresholds, etc) run this command:

• net accounts

Windows Networking

7. To quickly reset your NIC back to DHCP with no manual settings, run this command:

• netsh int ip reset all

8. To quickly generate a text summary of your system, run this command:

• systeminfo | more

9. To see all network connections your client has open, run this command:

• net use

10. To see your routing table, run either of these commands:

• route print
• netstat -r

Bonus Command

11. Need to run a trace, but don’t have Netmon or Wireshark, and aren’t allowed to install either one? Run this command:

• netsh trace start capture=yes tracefile=c:capture.etl
• netsh trace stop