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What is smsvchost.exe?

Part of Microsoft® .NET Framework by Microsoft

What is it?

Windows Communication Foundation (WCF) provides a new TCP-based network protocol (net.tcp://) for high-performance communication. WCF also introduces a new system component, the Net.TCP Port Sharing Service that enables net.tcp ports to be shared across multiple user processes.
Description of smsvchost.exe from Microsoft
Self-hosted services that use the Net.TCP transport can control several advanced settings, such as ListenBacklog and MaxPendingAccepts, which govern the behavior of the underlying TCP socket used for network communication. However, these settings for each socket only apply at the binding level if the transport binding has disabled port sharing, which is enabled by default. In general, care should be taken when modifying the contents of the SMSvcHost.exe.config file, because any configuration set
(smsvchost.exe is a system file that is installed with Windows)
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How does smsvchost.exe run?

Service - smsvchost.exe runs as a background Windows service called 'NetPipeActivator' (Adaptér naslouchání Net.Pipe). This is a system service that is installed with the Windows operating system and protected with Window's File Protection. This service runs as the LOCAL SERVICE account with minimum privileges on the local computer and presents anonymous credentials on the network. Adaptér naslouchání Net.Pipe runs as a service that can share a process with other Win32 services.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the smsvchost.exe process running.Of the 0.1% of smsvchost.exe users, less than 1% have disabled it.
How resource intensive is smsvchost.exe?
Comparison based on the average resource utilization across all programs.
0.00033% CPU3250.2%
Average CPU utilization across all programs is 0.00001%.
26.83 MB RAM124.6%
Average private memory utilization across all programs is 21.53 MB.
 2 /min0.1%
Average I/O read and write operations for all programs is 2,253 per minute.
Typical file (disk image) location:
C:\windows\microsoft.net\framework64\v3.0\windows communication foundation\smsvchost.exe

Are there other versions of Microsoft® .NET Framework?

What else is related?

What Windows OS versions does this run on?

Windows 8 (6.2.9200.0)
Windows 8 Pro (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: smsvchost.exe
Publisher: Microsoft Corporation (verified)
Name: Microsoft® .NET Framework
Description: SMSvcHost.exe
Version: 3.0.4506.6387 (Win8RTM.030729-6300)
Product version: 3.0.4506.6387
Size: 114.57 KB
Original file name: SMSvcHost.exe
Windows file protection: Yes

Digital certificate

Certificate authority: Microsoft Corporation
Expiration date: 1/10/2013

Resource utilization

CPU utilization averages
Total CPU: 0.0005691964%
Privileged CPU: 0.0002441771%
User CPU: 0.00032501921262%
Privileged CPU time: 187.43 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 369,521,387
CPU cycle count /min: 7,046,094
Memory utilization averages
Committed memory: 526.12 MB
Peak committed memory: 531.47 MB
Paged memory: 26.83 MB
Peak paged memory: 30.01 MB
Paged system memory: 238.92 KB
Non-paged system memory: 19.23 KB
Working set memory: 9.6 MB
Peak working set memory: 24.33 MB
Min working set memory: 9.57 MB
Private memory: 26.83 MB
Page faults: 16,489
Page faults /min: 26
Process I/O averages
Total read operations: 33
Read operations /min: 1
Total read transfer: 78.2 KB
Read transfer /min: 128 Bytes
Total write operations: 1
Write operations /min: 1
Total write transfer: 36 Bytes
Write transfer /min: 0 Bytes
Total other operations: 378
Other operations /min: 1
Total other transfer: 3.61 KB
Other Transfer /min: 6 Bytes
Handle count average: 194
Thread count average: 8
Thread resource averages

Process details

Runs as (owner): Local Service
Integrety level: System
Windows platform: 64-bit
Runs as a service: Yes
Parent Processes
Process Commands
"C:\Windows\Microsoft.NET\Framework64\v3.0\Windows Communication Foundation\SMSvcHost.exe"
"C:\WINDOWS\Microsoft.NET\Framework64\v3.0\Windows Communication Foundation\SMSvcHost.exe"
"C:\WINDOWS\Microsoft.NET\Framework64\v3.0\Windows Communication Foundation\SMSvcHost.exe" -NetMsmqActivator

Hosted services

Adaptador de Serviço de Escuta Net.Pipe (NetPipeActivator)
Adaptateur d'écouteur Net.Msmq (NetMsmqActivator)
Adaptér naslouchání Net.Pipe (NetPipeActivator)
Listener Adapter do Net.Msmq (NetMsmqActivator)
Net.Msmq Listener Adapter (NetMsmqActivator)
Net.Msmq, lyttefunktionsadapter (NetMsmqActivator)
Net.Pipe Listener Adapter (NetPipeActivator)
Net.Tcp Listener Adapter (NetTcpActivator)
Адаптер прослушивателя Net.Pipe (NetPipeActivator)
Адаптер прослушивателя Net.Pipe (NetPipeActivator)
Адаптер прослушивателя Net.Pipe (NetPipeActivator)
Адаптер прослушивателя Net.Pipe (NetPipeActivator)
Адаптер прослушивателя Net.Tcp (NetTcpActivator)
Адаптер прослушивателя Net.Tcp (NetTcpActivator)
Адаптер прослушивателя Net.Tcp (NetTcpActivator)
Адаптер прослушивателя Net.Tcp (NetTcpActivator)
Адаптер прослушивателя Net.Tcp (NetTcpActivator)

Image hashes

MD5: aabc045a313259ebe5d1bb88383859d6
SHA-1: 0966fbdf90a697d9cde4d4c188302960386c40fa
SHA-256: 49004bee10d8edfcbe6f0ef77637c70f8a6ab59807ef7366678854ffa6d48e39

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
Import Table
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