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Update README.md
Jan 12, 2020
d78744e · Jan 12, 2020

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TimeDispersion

README.md

Custom sensor to measure time diff between PRTG probe server and remote system

Key command

Get-WmiObject -Class win32_localtime -ComputerName $Computername -Credential $Credential -ErrorAction Stop

Tested on target OS;

  • XP
  • WIndows 10 1903

Powershell SYNOPSIS

.SYNOPSIS
    PRTG sensor 'EXE/Script adnvanced' measuring Time Dispersion between minitored device and PRTG server
.DESCRIPTION
    Get local time of probe server and compares of target system (device)
.EXAMPLE
    PS C:\> get-PRTGTimeDispersion.ps1 -domain '%windowsdomain' -password '%windowspassword' -computer '%host' -Username '%windowsuser'
    Returns XML readable by PRTG
.INPUTS
    Device parameters; %host, %windowsDomain, %windowsUser, %windowsPassword
.OUTPUTS
    XML output of;
        Timedifference in seconds
.PARAMETER Computername
    Target system IP or Hostname from PRTG placeholder %host
.PARAMETER Username
    Target system credential username from PRTG placeholder %windowsUser
.PARAMETER Domain
    Target system credential Domain from PRTG placeholder %windowsDomain
.PARAMETER Password
    Target system credential Password from PRTG placeholder %windowsPassword
.NOTES
    2020-01-10 Version 1 Klas.Pihl@Atea.se

PRTG sensor setting

Output from sensor with -verbose

VERBOSE: Domain supplied: one, UserName: Domain\user
VERBOSE: Creating secure password string
VERBOSE: Creating credential for target system srv104.pihl.local
VERBOSE: Requesting target system local time
VERBOSE: Calculating time difference
VERBOSE: Creating XML formatted output
VERBOSE: Write formatted result to PRTG
<prtg>
    <result>
        <channel>TimeDifference</channel>
        <unit>TimeSeconds</unit>
        <showChart>1</showChart>
        <showTable>1</showTable>
        <float>1</float>
        <value>1</value>
    </result>
</prtg>