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What is act.server.host.exe?

Part of Act.Server.Host by Microsoft

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How does act.server.host.exe run?

Service - act.server.host.exe runs as a background Windows service called 'ActService' (ACT! Service Host). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. ACT! Service Host 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 0.5% of all Boost users have the act.server.host.exe process running.Of the 0.5% of act.server.host.exe users, 12.5% have disabled it.
How resource intensive is act.server.host.exe?
Comparison based on the average resource utilization across all programs.
0.00006% CPU619.1%
Average CPU utilization across all programs is 0.00001%.
30.44 MB RAM141.4%
Average private memory utilization across all programs is 21.53 MB.
     53 /min2.4%
Average I/O read and write operations for all programs is 2,253 per minute.
 1 context switches/sec1.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:
C:\Program Files\act\act for windows\act.server.host.exe

Are there other versions of Act.Server.Host?

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by Act.Server.Host.

What else is related?

What Windows OS versions does this run on?

Windows 8 Pro (6.2.9200.0)

About Microsoft

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: act.server.host.exe
Publisher: Microsoft
Name: Act.Server.Host
Description: Act.Server.Host
Size: 26.5 KB
Original file name: Act.Server.Host.exe

Resource utilization

CPU utilization averages
Total CPU: 0.0001379030%
Privileged CPU: 0.0000759902%
User CPU: 0.00006191285206%
Privileged CPU time: 16483.25 ms
Privileged CPU time /min: 4 ms
CPU cycle count: 425,613,414
CPU cycle count /min: 63,396,107
Context switches /sec: 1
Memory utilization averages
Committed memory: 313.25 MB
Peak committed memory: 319.19 MB
Paged memory: 30.44 MB
Peak paged memory: 99.26 MB
Paged system memory: 385.14 KB
Non-paged system memory: 45.63 KB
Working set memory: 36.85 MB
Peak working set memory: 47.05 MB
Min working set memory: 33.74 MB
Private memory: 30.44 MB
Page faults: 212,242
Page faults /min: 96
Process I/O averages
Total read operations: 32,399
Read operations /min: 30
Total read transfer: 49.39 MB
Read transfer /min: 46.37 KB
Total write operations: 24,880
Write operations /min: 23
Total write transfer: 25.27 MB
Write transfer /min: 23.73 KB
Total other operations: 133,503
Other operations /min: 122
Total other transfer: 572.64 KB
Other Transfer /min: 538 Bytes
Handle count average: 388
Thread count average: 13
Thread resource averages

Process details

Runs as (owner): System
Integrety level: Undefined
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Process Command
"C:\Program Files\ACT\Act for Windows\Act.Server.Host.exe"

Service details

Name: ACT! Service Host
Service name: ActService
Service type: Win32ShareProcess
Description: “Supports long-running ACT! features such as search”

Network connectivity

TCP: on port 51313
TCP: localhost on port 8112

Image hashes

MD5: 9283efda00bfd93f325fd5aa01907596
SHA-1: 34005f6d31d968b2779e2bedbe7e05bb0b2cb6c6
SHA-256: e4160a27af0974f9c8284d9e710107a47a323b3ab6b0afd98cdf7ff515978a05

PE image details

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