How to turn off third-party services

To prevent or work around problems, you may have to turn off installed third-party services. Safe mode and Safe mode with networking do not load third-party services. If Safe mode works, the problem may be caused by a third-party service that is loading. The following table is a partial list of core operating system services that load. However, this list varies according to the services that are installed and the version of Windows XP that you are using.

Service	Description	Start Mode
Alerter	Alerter	Automatic
AppMgmt	Application Management	Manual
ClipSrv	Clipbook	Manual
EventSystem	COM+ Event System	Manual
Browser	Computer Browser	Automatic
DHCP	DHCP Client	Automatic
Dfs	Distributed File System	Automatic
TrkWks	Distributed Link Tracking Client	Automatic
TrkSrv	Distributed Link Tracking Server	Manual
MSDTC	Distributed Transaction Coordinator	Automatic
DNSCache	DNS Client	Automatic
EventLog	Event Log	Automatic
Fax	Fax Service	Disabled
NtFrs	File Replication	Manual
IISADMIN	IIS Admin Service	Automatic
cisvc	Indexing Service	Manual
SharedAccess	Internet Connection Sharing (Firewall)	Manual
PolicyAgent	IPSEC Policy Agent(IPSEC Service)	Automatic
LicenseService	License Logging Service	Automatic
dmserver	Logical Disk Manager	Automatic
dmadmin	Logical Disk Manager Administrative Service	Manual
Messenger	Messenger	Automatic
mspadmin	Microsoft Proxy Server Administration	Automatic
wspsrv	Microsoft Winsock Proxy Service	Automatic
Netlogon	Net Logon	Automatic
mnmsrvc	NetMeeting Remote Desktop Sharing	Manual
Netman	Network Connections	Manual
NetDDE	Network DDE	Manual
NetDDEdsdm	Network DDE DSDM	Manual
NtLmSsp	NT LM Security Support Provider	Automatic
OnlBroad	On-Line Presentation Broadcast	Manual
SysmonLog	Performance Logs and Alerts	Manual
PlugPLay	Plug and Play	Automatic
Spooler	Print Spooler	Automatic
ProtectedStorage	Protected Storage	Automatic
mailalrt	Proxy Alert Notification Service	Automatic
RSVP	QoS RSVP	Manual
RasAuto	Remote Access Auto Connection Manager	Manual
RasMan	Remote Access Connection Manager	Automatic
RpcSs	Remote Procedure Call (RPC)	Automatic
RPCLOCATOR	Remote Procedure Call (RPC) Locator	Manual
RemoteRegistry	Remote Registry Service	Automatic
NtmsSvc	Removable Storage	Automatic
seclogon	RunAs Service	Automatic
SamSs	Security Accounts Manager	Automatic
lanmanserver	Server	Automatic
ScardSvr	Smart Card	Manual
ScardDrv	Smart Card Helper	Manual
SNMP	SNMP Service	Automatic
SNMPTRAP	SNMP Trap Service	Manual
SENS	System Event Notification	Automatic
Schedule	Task Scheduler	Automatic
LmHosts	TCP/IP NetBIOS Helper Service	Automatic
TapiSrv	Telephony	Manual
W3svc	World Wide Web Publishing Service	Automatic
LanmanWorkstation	WorkStation	Automati

Additional services that can be installed include the following:

•	Asc
•	AsynMac
•	Beep
•	Diskperf
•	Fastfat
•	Fsrec
•	Ftdisk
•	Gpc
•	Ismserv
•	Mountmgr
•	MSFTPSVC
•	MSIServer
•	MSKSSRV
•	MSPCQ
•	NDIS
•	NdisTapi
•	NdisWan
•	NDProxy
•	NetBIOS
•	NetBT
•	NetDetect
•	PartMgr
•	ParVdm
•	RCA
•	Schedule
•	SchedulingAgent
•	TermService
•	TlntSrv
•	TrkSrv
•	UPS
•	UtilMan
•	W32Time
•	WinMgmt
•	WMI

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.