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What is lktsrv.exe?

Part of LKTSRV by National Instruments

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How does lktsrv.exe run?

Service - lktsrv.exe runs as a background Windows service called 'lkTimeSync' (NI Time Synchronization). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. NI Time Synchronization runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.2% of all Boost users have the lktsrv.exe process running.Of the 0.2% of lktsrv.exe users, 25.0% have disabled it.
How resource intensive is lktsrv.exe?
Comparison based on the average resource utilization across all programs.
0.00004% CPU437.5%
Average CPU utilization across all programs is 0.00001%.
          4.3 MB RAM20.0%
Average private memory utilization across all programs is 21.53 MB.
68 context switches/sec68.0%
Average context switches for all programs is 100 per second.
Typical file (disk image) location:

Are there other versions of LKTSRV?

What else is related?

What Windows OS versions does this run on?

Windows 8 Single Language (6.2.9200.0)
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File details

File name: lktsrv.exe
Publisher: National Instruments Corporation (verified)
Description: lktsrv
Version: 5.5.0f0
Size: 62.3 KB
Original file name: lktsrv.exe

Digital certificate

Certificate authority: VeriSign
Effective date: 5/8/2007
Expiration date: 5/25/2010

Resource utilization

CPU utilization averages
Total CPU: 0.0001068634%
Privileged CPU: 0.0000631139%
User CPU: 0.00004374944075%
Privileged CPU time: 4968.75 ms
Privileged CPU time /min: 0 ms
CPU cycle count: 1,420,986,519
Context switches /sec: 68
Memory utilization averages
Committed memory: 73.19 MB
Peak committed memory: 75.71 MB
Paged memory: 4.3 MB
Peak paged memory: 4.37 MB
Paged system memory: 105.83 KB
Non-paged system memory: 22.77 KB
Working set memory: 7.53 MB
Peak working set memory: 8.43 MB
Min working set memory: 7.38 MB
Private memory: 4.3 MB
Page faults: 2,478
Page faults /min: 0
Process I/O averages
Total read operations: 19
Total read transfer: 663 Bytes
Total write operations: 1
Total write transfer: 103 Bytes
Total other operations: 24,697
Total other transfer: 386.09 KB
Handle count average: 204
Thread count average: 17
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: NI Time Synchronization
Service name: lkTimeSync
Service type: Win32OwnProcess
Description: “Allows this machine to keep its time synchronized with a master time server, or to act as a time server for other machines. This feature is configured with the Shared Variable Engine settings in LabVIEW. If this service is stopped or disabled, this form of time synchronization will not be available.”

Network connectivity

UDP: LISTENING on port 6006
TCP: localhost on port 49198

Image hashes

MD5: b9ba33801b5f9b79f0949af206f96177
SHA-1: af18b7e8de24f6e8e3fddb0dc94b7c1d08284648

PE image details

Subsystem: Windows GUI
Langauge*: Microsoft Visual C++ 9.0
File packed: No
Import Table
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