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What is tnslsnr.exe?

By Oracle

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How does tnslsnr.exe run?

Service - tnslsnr.exe runs as a background Windows service called 'OracleXETNSListener' (OracleXETNSListener). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. OracleXETNSListener 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 0.1% of all Boost users have the tnslsnr.exe process running.Of the 0.1% of tnslsnr.exe users, 13.0% have disabled it.
How resource intensive is tnslsnr.exe?
Comparison based on the average resource utilization across all programs.
0.00004% CPU418.8%
Average CPU utilization across all programs is 0.00001%.
36.75 MB RAM170.6%
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:

Are there other versions of tnslsnr.exe?

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 this process.

What else is related?

What Windows OS versions does this run on?

Windows 7 Home Premium (6.1.7601.65536)

About Oracle Corporation

Oracle Corporation is an American multinational computer technology corporation that specializes in developing and marketing computer hardware systems and enter More...
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File details

File name: tnslsnr.exe
Description: Oracle TNSLSNR Executable
Version: Beta
Size: 500 KB
Original file name: tnslsnr.exe

Resource utilization

CPU utilization averages
Total CPU: 0.0001270576%
Privileged CPU: 0.0000851730%
User CPU: 0.00004188454258%
Privileged CPU time: 3728.42 ms
Privileged CPU time /min: 1 ms
CPU cycle count: 2,133,550,078
CPU cycle count /min: 1,523,980
Memory utilization averages
Committed memory: 101.76 MB
Peak committed memory: 104.8 MB
Paged memory: 36.75 MB
Peak paged memory: 37.37 MB
Paged system memory: 185.02 KB
Non-paged system memory: 14.45 KB
Working set memory: 5.86 MB
Peak working set memory: 39.25 MB
Min working set memory: 3.91 MB
Private memory: 36.75 MB
Page faults: 12,362
Page faults /min: 2
Process I/O averages
Total read operations: 205
Read operations /min: 1
Total read transfer: 132.95 KB
Read transfer /min: 19 Bytes
Total write operations: 5,690
Write operations /min: 1
Total write transfer: 610.14 KB
Write transfer /min: 89 Bytes
Total other operations: 42,777
Other operations /min: 6
Total other transfer: 1.21 MB
Other Transfer /min: 180 Bytes
Handle count average: 198
Thread count average: 5
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 32-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: OracleXETNSListener
Service type: Win32OwnProcess

Network connectivity

TCP: localhost on port 49158

Image hashes

MD5: b9c7f3054075a349b4153e79f99566b6
SHA-1: fd0ba7ae41f6230d090f51a41044129f2c2bcb6d
SHA-256: 37de79cd4e79c9cb2e517d34228d0bc932755820a647cd754b063af3ae564cd7

PE image details

Subsystem: Windows Console
Langauge*: Microsoft Visual C++ 8.0
File packed: No
Import Table
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