How many system services are there on my Windows XP System?

The number of system services on your Windows XP computer is depending on which Windows XP edition you have, and how many software have been installed on the computer.

Here is a complete list system services on a Windows XP Professional edition with some software installed by Lenovo:

AD Monitor	Monitor policy change of active directory for fingerprint software.		Manual	Local System
Alerter	Notifies selected users and computers of administrative alerts. If the service is stopped, programs that use administrative alerts will not receive them. If this service is disabled, any services that explicitly depend on it will fail to start.		Disabled	Local Service
Application Layer Gateway Service	Provides support for 3rd party protocol plug-ins for Internet Connection Sharing and the Windows Firewall.		Manual	Local Service
Application Management	Provides software installation services such as Assign, Publish, and Remove.		Manual	Local System
ASP.NET State Service	Provides support for out-of-process session states for ASP.NET. If this service is stopped, out-of-process requests will not be processed. If this service is disabled, any services that explicitly depend on it will fail to start.		Disabled	Network Service
AuthenTec Fingerprint Service	Provides applications with access to AuthenTec fingerprint sensors.		Disabled	Local System
Automatic Updates	Enables the download and installation of Windows updates. If this service is disabled, this computer will not be able to use the Automatic Updates feature or the Windows Update Web site.	Started	Automatic	Local System
Background Intelligent Transfer Service	Transfers files in the background using idle network bandwidth. If the service is stopped, features such as Windows Update, and MSN Explorer will be unable to automatically download programs and other information. If this service is disabled, any services that explicitly depend on it may fail to transfer files if they do not have a fail safe mechanism to transfer files directly through IE in case BITS has been disabled.	Started	Automatic	Local System
Bluetooth Service	Handles installation and removal of Bluetooth devices.		Manual	Local System
ClipBook	Enables ClipBook Viewer to store information and share it with remote computers. If the service is stopped, ClipBook Viewer will not be able to share information with remote computers. If this service is disabled, any services that explicitly depend on it will fail to start.		Disabled	Local System
COM+ Event System	Supports System Event Notification Service (SENS), which provides automatic distribution of events to subscribing Component Object Model (COM) components. If the service is stopped, SENS will close and will not be able to provide logon and logoff notifications. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Manual	Local System
COM+ System Application	Manages the configuration and tracking of Component Object Model (COM)+-based components. If the service is stopped, most COM+-based components will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local System
Computer Browser	Maintains an updated list of computers on the network and supplies this list to computers designated as browsers. If this service is stopped, this list will not be updated or maintained. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
Cryptographic Services	Provides three management services: Catalog Database Service, which confirms the signatures of Windows files; Protected Root Service, which adds and removes Trusted Root Certification Authority certificates from this computer; and Key Service, which helps enroll this computer for certificates. If this service is stopped, these management services will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
Data Transfer Service	Passively transfers data between clients for the fingerprint applications.	Started	Automatic	Local System
DCOM Server Process Launcher	Provides launch functionality for DCOM services.	Started	Automatic	Local System
DHCP Client	Manages network configuration by registering and updating IP addresses and DNS names.		Automatic	Local System
Distributed Link Tracking Client	Maintains links between NTFS files within a computer or across computers in a network domain.	Started	Automatic	Local System
Distributed Transaction Coordinator	Coordinates transactions that span multiple resource managers, such as databases, message queues, and file systems. If this service is stopped, these transactions will not occur. If this service is disabled, any services that explicitly depend on it will fail to start. 		Manual	Local System
DNS Client	Resolves and caches Domain Name System (DNS) names for this computer. If this service is stopped, this computer will not be able to resolve DNS names and locate Active Directory domain controllers. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Network Service
Error Reporting Service	Allows error reporting for services and applications running in non-standard environments.	Started	Automatic	Local System
Event Log	Enables event log messages issued by Windows-based programs and components to be viewed in Event Viewer. This service cannot be stopped.	Started	Automatic	Local System
Extensible Authentication Protocol Service	Provides windows clients Extensible Authentication Protocol Service		Manual	Local System
Fast User Switching Compatibility	Provides management for applications that require assistance in a multiple user environment.		Manual	Local System
Fingerprint Server	AuthenTec Biometric Software Fingerprint Server		Manual	Local System
Google Update Service (gupdate)	Keeps your Google software up to date. If this service is disabled or stopped, your Google software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and features may not work. This service uninstalls itself when there is no Google software using it.		Automatic	Local System
Google Update Service (gupdatem)	Keeps your Google software up to date. If this service is disabled or stopped, your Google software will not be kept up to date, meaning security vulnerabilities that may arise cannot be fixed and features may not work. This service uninstalls itself when there is no Google software using it.		Manual	Local System
Health Key and Certificate Management Service	Manages health certificates and keys (used by NAP)		Manual	Local System
Help and Support	Enables Help and Support Center to run on this computer. If this service is stopped, Help and Support Center will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
HID Input Service	Enables generic input access to Human Interface Devices (HID), which activates and maintains the use of predefined hot buttons on keyboards, remote controls, and other multimedia devices. If this service is stopped, hot buttons controlled by this service will no longer function. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
HTTP SSL	This service implements the secure hypertext transfer protocol (HTTPS) for the HTTP service,  using the Secure Socket Layer (SSL).  If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local System
IBM KCU Service		Started	Automatic	Local System
IMAPI CD-Burning COM Service	Manages CD recording using Image Mastering Applications Programming Interface (IMAPI). If this service is stopped, this computer will be unable to record CDs. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local System
Indexing Service	Indexes contents and properties of files on local and remote computers; provides rapid access to files through flexible querying language.		Manual	Local System
Intel(R) Active Management Technology User Notification Service	Intel(R) Active Management Technology User Notification Service - Updates the Windows Event Log with notifications of pre defined events received from the local Intel(R) Active Management Technology Device.		Disabled	Local System
Intel(R) PROSet/Wireless Event Log	Manages the event trace messages for all the Intel® PROSet/Wireless Software components.	Started	Automatic	Local System
Intel(R) PROSet/Wireless Registry Service	Provides registry access to all Intel® PROSet/Wireless Software components	Started	Automatic	Local System
Intel(R) PROSet/Wireless SSO Service	Provides Single Sign On (SSO) functionality.	Started	Automatic	Local System
Intel(R) PROSet/Wireless WiFi Service	Wireless Management Service for Intel(R) PROSet/Wireless WiFi Software	Started	Automatic	Local System
IPSEC Services	Manages IP security policy and starts the ISAKMP/Oakley (IKE) and the IP security driver.	Started	Automatic	Local System
IPv6 Helper Service	Provides DDNS name registration and automatic IPv6 connectivity over an IPv4 network.  If this service is stopped, other computers may not be able to reach it by name and the machine will only have IPv6 connectivity if it is connected to a native IPv6 network.  If this service is disabled, any other services that explicitly depend on this service will fail to start.	Started	Automatic	Local System
IviRegMgr		Started	Automatic	Local System
Java Quick Starter	Prefetches JRE files for faster startup of Java applets and applications		Disabled	Local System
Lenovo Microphone Mute			Automatic	Local System
Logical Disk Manager	Detects and monitors new hard disk drives and sends disk volume information to Logical Disk Manager Administrative Service for configuration. If this service is stopped, dynamic disk status and configuration information may become out of date. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
Logical Disk Manager Administrative Service	Configures hard disk drives and volumes. The service only runs for configuration processes and then stops.		Manual	Local System
McAfee Endpoint Encryption Agent		Started	Automatic	Local System
McAfee Framework Service	Shared component framework for McAfee products	Started	Automatic	Local System
Messenger	Transmits net send and Alerter service messages between clients and servers. This service is not related to Windows Messenger. If this service is stopped, Alerter messages will not be transmitted. If this service is disabled, any services that explicitly depend on it will fail to start.		Disabled	Local System
Microsoft Forefront Client Security Antimalware Service	Helps protect users from spyware and other potentially unwanted software	Started	Automatic	Local System
Microsoft Forefront Client Security State Assessment Service	Helps protect users by providing security state analysis services to the Microsoft Forefront Security Suite.	Started	Automatic	Local System
Microsoft Office Diagnostics Service	Run portions of Microsoft Office Diagnostics.		Manual	Local System
MS Software Shadow Copy Provider	Manages software-based volume shadow copies taken by the Volume Shadow Copy service. If this service is stopped, software-based volume shadow copies cannot be managed. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local System
MSSQLServer			Disabled	Local System
Net Logon	Supports pass-through authentication of account logon events for computers in a domain.	Started	Automatic	Local System
NetMeeting Remote Desktop Sharing	Enables an authorized user to access this computer remotely by using NetMeeting over a corporate intranet. If this service is stopped, remote desktop sharing will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local System
Network Access Protection Agent	Allows windows clients to participate in Network Access Protection		Manual	Local System
Network Connections	Manages objects in the Network and Dial-Up Connections folder, in which you can view both local area network and remote connections.	Started	Manual	Local System
Network DDE	Provides network transport and security for Dynamic Data Exchange (DDE) for programs running on the same computer or on different computers. If this service is stopped, DDE transport and security will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.		Disabled	Local System
Network DDE DSDM	Manages Dynamic Data Exchange (DDE) network shares. If this service is stopped, DDE network shares will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start. 		Disabled	Local System
Network Location Awareness (NLA)	Collects and stores network configuration and location information, and notifies applications when this information changes.	Started	Manual	Local System
Network Provisioning Service	Manages XML configuration files on a domain basis for automatic network provisioning.		Manual	Local System
NT LM Security Support Provider	Provides security to remote procedure call (RPC) programs that use transports other than named pipes.		Manual	Local System
Office Source Engine	Saves installation files used for updates and repairs and is required for the downloading of Setup updates and Watson error reports.		Manual	Local System
On Screen Display		Started	Automatic	Local System
Performance Logs and Alerts	Collects performance data from local or remote computers based on preconfigured schedule parameters, then writes the data to a log or triggers an alert. If this service is stopped, performance information will not be collected. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Network Service
Plug and Play	Enables a computer to recognize and adapt to hardware changes with little or no user input. Stopping or disabling this service will result in system instability.	Started	Automatic	Local System
Portable Media Serial Number Service	Retrieves the serial number of any portable media player connected to this computer. If this service is stopped, protected content might not be down loaded to the device.		Manual	Local System
Power Manager DBC Service		Started	Automatic	Local System
Print Spooler	Loads files to memory for later printing.	Started	Automatic	Local System
Protected Storage	Provides protected storage for sensitive data, such as private keys, to prevent access by unauthorized services, processes, or users.	Started	Automatic	Local System
QoS RSVP	Provides network signaling and local traffic control setup functionality for QoS-aware programs and control applets.		Manual	Local System
Remote Access Auto Connection Manager	Creates a connection to a remote network whenever a program references a remote DNS or NetBIOS name or address.		Manual	Local System
Remote Access Connection Manager	Creates a network connection.	Started	Manual	Local System
Remote Desktop Help Session Manager	Manages and controls Remote Assistance. If this service is stopped, Remote Assistance will be unavailable. Before stopping this service, see the Dependencies tab of the Properties dialog box.		Manual	Local System
Remote Procedure Call (RPC)	Provides the endpoint mapper and other miscellaneous RPC services.	Started	Automatic	Network Service
Remote Procedure Call (RPC) Locator	Manages the RPC name service database.		Manual	Network Service
Remote Registry	Enables remote users to modify registry settings on this computer. If this service is stopped, the registry can be modified only by users on this computer. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local Service
Removable Storage			Manual	Local System
Routing and Remote Access	Offers routing services to businesses in local area and wide area network environments.		Disabled	Local System
RoxMediaDB10	Roxio RoxMediaDB10 Service		Manual	Local System
Secondary Logon	Enables starting processes under alternate credentials. If this service is stopped, this type of logon access will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
Security Accounts Manager	Stores security information for local user accounts.	Started	Automatic	Local System
Server	Supports file, print, and named-pipe sharing over the network for this computer. If this service is stopped, these functions will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
SessionLauncher	Sonic		Disabled	Local System
Shell Hardware Detection	Provides notifications for AutoPlay hardware events.	Started	Automatic	Local System
Smart Card	Manages access to smart cards read by this computer. If this service is stopped, this computer will be unable to read smart cards. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local Service
SMS Agent Host	Provides change and configuration services for computer management systems.	Started	Automatic	Local System
SMS Task Sequence Agent	SMS client agent for task sequence execution		Manual	Local System
SQLServerAgent			Manual	Local System
SSDP Discovery Service	Enables discovery of UPnP devices on your home network.	Started	Manual	Local Service
stllssvr			Manual	Local System
System Event Notification	Tracks system events such as Windows logon, network, and power events.  Notifies COM+ Event System subscribers of these events.	Started	Automatic	Local System
System Restore Service	Performs system restore functions. To stop service, turn off System Restore from the System Restore tab in My Computer->Properties	Started	Automatic	Local System
Task Scheduler	Enables a user to configure and schedule automated tasks on this computer. If this service is stopped, these tasks will not be run at their scheduled times. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
TCP/IP NetBIOS Helper	Enables support for NetBIOS over TCP/IP (NetBT) service and NetBIOS name resolution.		Automatic	Local Service
Telephony	Provides Telephony API (TAPI) support for programs that control telephony devices and IP based voice connections on the local computer and, through the LAN, on servers that are also running the service.	Started	Manual	Local System
Telnet	Enables a remote user to log on to this computer and run programs, and supports various TCP/IP Telnet clients, including UNIX-based and Windows-based computers. If this service is stopped, remote user access to programs might be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.		Disabled	Local System
Terminal Services	Allows multiple users to be connected interactively to a machine as well as the display of desktops and applications to remote computers. The underpinning of Remote Desktop (including RD for Administrators), Fast User Switching, Remote Assistance, and Terminal Server.	Started	Manual	Local System
Themes	Provides user experience theme management.	Started	Automatic	Local System
ThinkPad PM Service		Started	Automatic	Local System
Uninterruptible Power Supply	Manages an uninterruptible power supply (UPS) connected to the computer.		Manual	Local Service
Universal Plug and Play Device Host	Provides support to host Universal Plug and Play devices.		Manual	Local Service
Volume Shadow Copy	Manages and implements Volume Shadow Copies used for backup and other purposes. If this service is stopped, shadow copies will be unavailable for backup and the backup may fail. If this service is disabled, any services that explicitly depend on it will fail to start.		Manual	Local System
WebClient	Enables Windows-based programs to create, access, and modify Internet-based files. If this service is stopped, these functions will not be available. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local Service
Windows Audio	Manages audio devices for Windows-based programs. If this service is stopped, audio devices and effects will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
Windows Driver Foundation - User-mode Driver Framework	Manages user-mode driver host processes		Manual	Local System
Windows Firewall/Internet Connection Sharing (ICS)	Provides network address translation, addressing, name resolution and/or intrusion prevention services for a home or small office network.		Disabled	Local System
Windows Image Acquisition (WIA)	Provides image acquisition services for scanners and cameras.	Started	Automatic	Local System
Windows Installer	Adds, modifies, and removes applications provided as a Windows Installer (*.msi) package. If this service is disabled, any services that explicitly depend on it will fail to start.		Automatic	Local System
Windows Management Instrumentation	Provides a common interface and object model to access management information about operating system, devices, applications and services. If this service is stopped, most Windows-based software will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System
Windows Management Instrumentation Driver Extensions	Provides systems management information to and from drivers.		Manual	Local System
Windows Presentation Foundation Font Cache 4.0.0.0	Optimizes performance of Windows Presentation Foundation (WPF) applications by caching commonly used font data. WPF applications will start this service if it is not already running. It can be disabled, though doing so will degrade the performance of WPF applications.		Disabled	Local Service
Windows Remote Management (WS-Management)	Allows access to management information from local and remote machines.		Manual	Network Service
Windows Search	Provides content indexing and property caching for file, email and other content (via extensibility APIs).  The service responds to file and email notifications to index modified content.  If the service is stopped or disabled, the Explorer will not be able to display virtual folder views of items, and search in the Explorer will fall back to item-by-item slow search.		Disabled	Local System
Windows Time	Maintains date and time synchronization on all clients and servers in the network. If this service is stopped, date and time synchronization will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start. Disabled	Local System
Wired AutoConfig	This service performs IEEE 802.1X authentication on Ethernet interfaces		Manual	Local System
Wireless Zero Configuration	Provides automatic configuration for the 802.11 adapters	Started	Automatic	Local System
WMI Performance Adapter	Provides performance library information from WMI HiPerf providers.		Manual	Local System
Workstation	Creates and maintains client network connections to remote servers. If this service is stopped, these connections will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.	Started	Automatic	Local System

⇒Introduction of Services on Windows XP

⇒⇒Windows XP Services Tutorials