When you run unnecessary services, there is at least a small risk. Therefore, these services are turned off in Windows Server 2003 before they are required to be provided. The following table shows the services that are turned off by default in Windows Server 2003, as compared to Windows 2000 and Windows XP Professional installations.
Service |
Display Name |
Win 2000 |
Win XP |
Win 2003 |
Siren (Alerter) |
Alarm |
Automatic |
Manual |
Disable |
Clipsrv |
ClipBook |
Manual |
Manual |
Disable |
Trksrv |
Distributed Link Tracking Server |
Manual |
NA |
Disable |
ImapiService IMAPI cd-burning COM |
Manual Manual disabling of services |
Manual |
Manual |
Disable |
SharedAccess Internet |
Connecting firewalls and sharing |
Manual |
Manual |
Disable |
Messenger (Messenger) |
Messenger |
Automatic |
Automatic |
Disable |
MNMSRVC NetMeeting |
Remote Desktop Sharing |
Manual |
Manual |
Disable |
Netddedsdm |
Network DDE DSDM |
Manual |
Manual |
Disable |
NetDDE |
Network DDE |
Manual |
Manual |
Disable |
RemoteRegistry |
Remote Registry |
Automatic |
Automatic |
Disable |
Tlntsvr |
Telnet |
Manual |
Manual |
Disable |
Tssdis |
Terminal Services Session Directory |
Manual |
NA |
Disable |
Theme (Themes) |
Theme |
NA |
Automatic |
Disable |
WebClient Web |
Client |
NA |
Automatic |
Disable |
Audiosrv Windows |
Audio |
NA |
Automatic |
Disable |
Stisvc Windows |
Image Acquisition |
Manual |
Manual |
Disable |
IISAdmin |
IIS Admin |
Automatic |
Not installed |
Not installed |
SMTPSVC |
Simple Mail Transfer Protocol |
Automatic |
NA |
Not installed |
W3svc |
World Wide Web Publishing |
Automatic |
Not installed |
Not installed |
The following table shows the services that are no longer using the Local System account in Windows Server 2003:
Service |
Logon identity |
Alarm |
Local Service |
Application-tier Gateway Services |
Local Service |
Remote Registry |
Local Service |
Smart card |
Local Service |
TCP/IP NetBIOS Helper |
Local Service |
Telnet |
Local Service |
Ups |
Local Service |
WebClient |
Local Service |
Windows Image Capture (WIA) |
Local Service |
DHCP clients |
Network Services |
Distributed Transaction Coordinator |
Network Services |
DNS Client |
Network Services |
License record |
Network Services |
Performance Logs and Alerts |
Network Services |
Remote Procedure Call (RPC) Locator |
Network Services |
In Windows 2000, the Local System account is the only logon identity account that is used by all services. The local service account and the Network Service logon identity System account are new in Windows XP and Windows Server 2003.