Key takeaways
- Automated uptime tracking: The PowerShell script automates the process of tracking Windows devices’ uptime, offering a more efficient alternative to manual checks.
- Detailed reporting: It provides in-depth reports on uptime percentages, boot events, and specific time frames, aiding in precise system monitoring.
- Customizable time frames: Users can specify custom time periods for analysis, enhancing the script’s flexibility for different monitoring needs.
- Integration capability: The script supports output to custom fields, allowing for integration with IT management tools like NinjaOne.
- Proactive maintenance: Regular use assists in proactive system maintenance, identifying potential issues before they escalate.
- Security and efficiency: Monitoring uptime trends is crucial for both IT security and operational efficiency.
- Complementary tool: Ideal for complementing existing IT management solutions to provide a comprehensive overview of system health.
- Accessibility and convenience: The script is accessible for IT professionals of varying skill levels and adds convenience to routine system checks.
Introduction
Measuring a device’s uptime is crucial in the IT landscape. Knowing how long systems have been running without a reboot can aid in maintaining optimal performance and troubleshooting issues. A PowerShell script that can precisely calculate and report the uptime of Windows devices is a valuable tool for IT professionals.
Background
The script in question is designed to monitor and report the uptime percentage of a Windows device, including details on boot events. This is particularly important for IT professionals and Managed Service Providers (MSPs), as it helps in proactive maintenance and rapid response to system issues. The ability to accurately determine device availability over a specific period is essential in various scenarios, from routine maintenance checks to identifying potential system failures.
The script:
#Requires -Version 4.0
<#
.SYNOPSIS
Get the Uptime percentage of a Windows device and show a list of boot events.
.DESCRIPTION
Get the Uptime percentage of a Windows device and show a list of boot events.
Unexpected Shutdowns can skew results slightly.
Duration in results is in days.
.Example
(No Parameters)
WARNING: No time frame specified. Checking uptime percentage for the last 30 days
Creating uptime entries based on event logs...
Uptime entries created!
WARNING: Estimating unexpected shutdown times. This will not be 100% accurate.
Oldest uptime record: 06/29/2023 22:24:01
Filtering uptime records to your time frame...
Calculating uptime during time frame...
### Time Frame ###
Start Date: 12/26/2023 19:39:38
End Date: 01/25/2024 19:39:38
### Statistics ###
Percentage Online: 3.93%
Total Time Frame: 30d
Total Uptime: 1d 4h 19m 14s
### Uptime Entries ###
BootType BootTime ShutdownTime Duration
-------- -------- ------------ --------
Current Boot 1/24/2024 3:20:23 PM 1d 4h 19m 14s
.EXAMPLE
-Days 30
WARNING: No time frame specified. Checking uptime percentage for the last 30 days
Creating uptime entries based on event logs...
Uptime entries created!
WARNING: Estimating unexpected shutdown times. This will not be 100% accurate.
Oldest uptime record: 06/29/2023 22:24:01
Filtering uptime records to your time frame...
Calculating uptime during time frame...
### Time Frame ###
Start Date: 12/26/2023 19:39:38
End Date: 01/25/2024 19:39:38
### Statistics ###
Percentage Online: 3.93%
Total Time Frame: 30d
Total Uptime: 1d 4h 19m 14s
### Uptime Entries ###
BootType BootTime ShutdownTime Duration
-------- -------- ------------ --------
Current Boot 1/24/2024 3:20:23 PM 1d 4h 19m 14s
.EXAMPLE
-StartDay "2023-07-01T00:00:00.000-07:00" -EndDay "2023-07-31T00:00:00.000-07:00"
Creating uptime entries based on event logs...
Uptime entries created!
WARNING: Estimating unexpected shutdown times. This will not be 100% accurate.
Oldest uptime record: 06/29/2023 22:24:01
Filtering uptime records to your time frame...
Calculating uptime during time frame...
### Time Frame ###
Start Date: 07/01/2023 00:00:00
End Date: 07/31/2023 00:00:00
### Statistics ###
Percentage Online: 89%
Total Time Frame: 30d
Total Uptime: 26d 16h 49m 17s
### Uptime Entries ###
BootType BootTime ShutdownTime Duration
-------- -------- ------------ --------
Normal 7/26/2023 12:16:34 PM 12/21/2023 11:24:17 AM 147d 23h 7m 42s
Normal 7/26/2023 11:52:47 AM 7/26/2023 12:16:26 PM 23m 39s
Normal 7/26/2023 11:22:46 AM 7/26/2023 11:52:40 AM 29m 53s
Normal 7/26/2023 10:55:08 AM 7/26/2023 11:22:38 AM 27m 29s
Unexpected Shutdown 7/26/2023 10:42:45 AM 7/26/2023 10:53:16 AM 10m 30s
Normal 7/24/2023 11:09:01 AM 7/24/2023 11:35:43 AM 26m 42s
Normal 7/24/2023 10:45:38 AM 7/24/2023 11:08:53 AM 23m 15s
Normal 7/24/2023 9:50:52 AM 7/24/2023 9:58:47 AM 7m 54s
Normal 7/24/2023 8:08:34 AM 7/24/2023 8:10:16 AM 1m 41s
Normal 7/20/2023 5:26:15 PM 7/24/2023 8:08:26 AM 3d 14h 42m 11s
Normal 7/20/2023 5:21:09 PM 7/20/2023 5:26:08 PM 4m 59s
Normal 7/20/2023 4:08:28 PM 7/20/2023 5:21:02 PM 1h 12m 33s
Unexpected Shutdown 6/29/2023 10:41:23 PM 7/19/2023 10:35:01 AM 19d 11h 53m 38s
PARAMETER: -Days "replaceMeWithANumber"
Gets the uptime for the past X days.
PARAMETER: -StartDay "2023-07-01T00:00:00.000-07:00"
Gets the uptime starting from the specified day.
PARAMETER: -EndDay "2023-07-31T00:00:00.000-07:00"
Gets the uptime ending on the specified day.
PARAMETER: -WysiwygCustomField "The name of your selected custom field."
Outputs the results to a WYSIWYG custom field.
PARAMETER: -PercentageCustomField "The name of a text custom field"
Outputs the results to a text custom field.
PARAMETER: -EstimateUnexpectedShutdown
Tells the script to estimate the shutdown time and date using the last known eventlog for that range.
.OUTPUTS
PSObject
.NOTES
Minimum OS Architecture Supported: Windows 8, Windows Server 2012
Release Notes: Initial Release
By using this script, you indicate your acceptance of the following legal terms as well as our Terms of Use at https://www.ninjaone.com/terms-of-use.
Ownership Rights: NinjaOne owns and will continue to own all right, title, and interest in and to the script (including the copyright). NinjaOne is giving you a limited license to use the script in accordance with these legal terms.
Use Limitation: You may only use the script for your legitimate personal or internal business purposes, and you may not share the script with another party.
Republication Prohibition: Under no circumstances are you permitted to re-publish the script in any script library or website belonging to or under the control of any other software provider.
Warranty Disclaimer: The script is provided “as is” and “as available”, without warranty of any kind. NinjaOne makes no promise or guarantee that the script will be free from defects or that it will meet your specific needs or expectations.
Assumption of Risk: Your use of the script is at your own risk. You acknowledge that there are certain inherent risks in using the script, and you understand and assume each of those risks.
Waiver and Release: You will not hold NinjaOne responsible for any adverse or unintended consequences resulting from your use of the script, and you waive any legal or equitable rights or remedies you may have against NinjaOne relating to your use of the script.
EULA: If you are a NinjaOne customer, your use of the script is subject to the End User License Agreement applicable to you (EULA).
#>
[CmdletBinding()]
param (
[Parameter()]
[int]$Days,
[Parameter()]
$StartDay,
[Parameter()]
$EndDay,
[Parameter()]
[string]$WysiwygCustomField,
[Parameter()]
[String]$PercentageCustomField,
[Parameter()]
[Switch]$EstimateUnexpectedShutdown = [System.Convert]::ToBoolean($env:estimateUnexpectedShutdownTime)
)
begin {
if ($env:uptimeForThePastXDays -and $env:uptimeForThePastXDays -notlike "null") { $Days = $env:uptimeForThePastXDays }
if ($env:startDay -and $env:startDay -notlike "null") { $StartDay = $env:startDay }
if ($env:endDay -and $env:endDay -notlike "null") { $EndDay = $env:endDay }
if ($env:wysiwygCustomFieldName -and $env:wysiwygCustomFieldName -notlike "null") { $WysiwygCustomField = $env:wysiwygCustomFieldName }
if ($env:percentageCustomFieldName -and $env:percentageCustomFieldName -notlike "null") { $PercentageCustomField = $env:percentageCustomFieldName }
if ($StartDay -and $EndDay) {
$StartDay = Get-Date -Date $StartDay
$EndDay = Get-Date -Date $EndDay
}
if ($Days -and ($StartDay -or $EndDay)) { Write-Host "[Error] You cannot use 'The Past X Days' and 'Start Day' or 'End Day' at the same time"; exit 1 }
if (-not $Days -and -not $StartDay -and -not $EndDay) { Write-Warning "No time frame specified. Checking uptime percentage for the last 30 days"; $Days = 30 }
if (($StartDay -and -not $EndDay) -or ($EndDay -and -not $StartDay)) { Write-Host "[Error] Start Day must be used with End Day."; exit 1 }
if ($StartDay -and $StartDay -ge $EndDay) { Write-Host "[Error] Start Day must be before End Day"; exit 1 }
if ($Days) {
$StartDay = (Get-Date).AddDays(-$Days)
$EndDay = Get-Date
}
function ConvertFrom-TimeSpan {
[CmdletBinding()]
[OutputType([string[]])]
param(
[Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
[TimeSpan[]]$TimeSpan
)
process {
$Days = if ($($_.Days)) { "$($_.Days)d" }else { "" }
$Hours = if ($($_.Hours)) { "$($_.Hours)h" }else { "" }
$Minutes = if ($($_.Minutes)) { "$($_.Minutes)m" }else { "" }
$Seconds = if ($($_.Seconds)) { "$($_.Seconds)s" }else { "" }
"$($(@($Days, $Hours, $Minutes, $Seconds) | Select-Object -Unique) -join ' ')".Trim()
}
}
function Set-NinjaProperty {
[CmdletBinding()]
Param(
[Parameter(Mandatory = $True)]
[String]$Name,
[Parameter()]
[String]$Type,
[Parameter(Mandatory = $True, ValueFromPipeline = $True)]
$Value,
[Parameter()]
[String]$DocumentName
)
$Characters = $Value | Measure-Object -Character | Select-Object -ExpandProperty Characters
if ($Characters -ge 10000) {
throw [System.ArgumentOutOfRangeException]::New("Character limit exceeded, value is greater than 10,000 characters.")
}
# If we're requested to set the field value for a Ninja document we'll specify it here.
$DocumentationParams = @{}
if ($DocumentName) { $DocumentationParams["DocumentName"] = $DocumentName }
# This is a list of valid fields that can be set. If no type is given, it will be assumed that the input doesn't need to be changed.
$ValidFields = "Attachment", "Checkbox", "Date", "Date or Date Time", "Decimal", "Dropdown", "Email", "Integer", "IP Address", "MultiLine", "MultiSelect", "Phone", "Secure", "Text", "Time", "URL", "WYSIWYG"
if ($Type -and $ValidFields -notcontains $Type) { Write-Warning "$Type is an invalid type! Please check here for valid types. https://ninjarmm.zendesk.com/hc/en-us/articles/16973443979789-Command-Line-Interface-CLI-Supported-Fields-and-Functionality" }
# The field below requires additional information to be set
$NeedsOptions = "Dropdown"
if ($DocumentName) {
if ($NeedsOptions -contains $Type) {
# We'll redirect the error output to the success stream to make it easier to error out if nothing was found or something else went wrong.
$NinjaPropertyOptions = Ninja-Property-Docs-Options -AttributeName $Name @DocumentationParams 2>&1
}
}
else {
if ($NeedsOptions -contains $Type) {
$NinjaPropertyOptions = Ninja-Property-Options -Name $Name 2>&1
}
}
# If an error is received it will have an exception property, the function will exit with that error information.
if ($NinjaPropertyOptions.Exception) { throw $NinjaPropertyOptions }
# The below type's require values not typically given in order to be set. The below code will convert whatever we're given into a format ninjarmm-cli supports.
switch ($Type) {
"Checkbox" {
# While it's highly likely we were given a value like "True" or a boolean datatype it's better to be safe than sorry.
$NinjaValue = [System.Convert]::ToBoolean($Value)
}
"Date or Date Time" {
# Ninjarmm-cli expects the GUID of the option to be selected. Therefore, the given value will be matched with a GUID.
$Date = (Get-Date $Value).ToUniversalTime()
$TimeSpan = New-TimeSpan (Get-Date "1970-01-01 00:00:00") $Date
$NinjaValue = $TimeSpan.TotalSeconds
}
"Dropdown" {
# Ninjarmm-cli is expecting the guid of the option we're trying to select. So we'll match up the value we were given with a guid.
$Options = $NinjaPropertyOptions -replace '=', ',' | ConvertFrom-Csv -Header "GUID", "Name"
$Selection = $Options | Where-Object { $_.Name -eq $Value } | Select-Object -ExpandProperty GUID
if (-not $Selection) {
throw [System.ArgumentOutOfRangeException]::New("Value is not present in dropdown")
}
$NinjaValue = $Selection
}
default {
# All the other types shouldn't require additional work on the input.
$NinjaValue = $Value
}
}
# We'll need to set the field differently depending on if its a field in a Ninja Document or not.
if ($DocumentName) {
$CustomField = Ninja-Property-Docs-Set -AttributeName $Name -AttributeValue $NinjaValue @DocumentationParams 2>&1
}
else {
$CustomField = Ninja-Property-Set -Name $Name -Value $NinjaValue 2>&1
}
if ($CustomField.Exception) {
throw $CustomField
}
}
$ExitCode = 0
}
process {
if (
$PSCmdlet.ParameterSetName -like "StartEndDays" -and $StartDay -ge $EndDay -or
$($StartDay -and $EndDay -and $StartDay -ge $EndDay)
) {
Write-Error "StartDay must be less than EndDay."
exit 1
}
# Gathers all the event logs pertaining to startup and shutdowns
$eventFilter = @{
LogName = 'System'
ProviderName = @('Microsoft-Windows-Kernel-General', 'Microsoft-Windows-Eventlog')
ID = 12, 13, 6008
}
$Events = Get-WinEvent -FilterHashtable $eventFilter
$BootEntries = New-Object System.Collections.Generic.List[object]
$i = 0
$BootTime = $null
$ShutdownTime = $null
Write-Host "Creating uptime entries based on event logs..."
$Events | ForEach-Object {
# If this is the first event it is for our current boot
if ($i -eq 0) {
$BootEntries.Add(
[PSCustomObject]@{
BootType = "Current Boot"
BootTime = $_.TimeCreated
ShutdownTime = $null
Duration = if ((((Get-Date) - $EndDay).TotalDays -lt 1)) { New-TimeSpan -Start $_.TimeCreated -End $EndDay }else { (New-TimeSpan -Start $_.TimeCreated -End $(Get-Date)) }
}
)
$i++
return
}
# Check to see if the next event is either an Unexpected Shutdown or a Startup Entry
if ($_.Id -eq 13 -and ($Events[$($i + 1)].Id -eq 12 -or $Events[$($i + 1)].Id -eq 6008)) {
$ShutdownTime = $_.TimeCreated
$BootTime = $Events[$($i + 1)].TimeCreated
}
# Check to see if the previous entry was something other than shutdown and the next event is a shutdown event.
if ($_.Id -eq 12 -and ($Events[$($i - 1)].Id -ne 13) -and ($Events[$($i + 1)].Id -eq 13)) {
# There's no end record for unexpected shutdowns so we'll need to record that
$BootEntries.Add(
[PSCustomObject]@{
BootType = "Unexpected Shutdown"
BootTime = $_.TimeCreated
ShutdownTime = $null
Duration = $null
}
)
}
# If there are no special cases record the information
if ($BootTime -and $ShutdownTime) {
$BootEntries.Add(
[PSCustomObject]@{
BootType = "Normal"
BootTime = $BootTime
ShutdownTime = $ShutdownTime
Duration = (New-TimeSpan -Start $BootTime -End $ShutdownTime)
}
)
$BootTime = $null
$ShutdownTime = $null
}
$i++
}
Write-Host "Uptime entries created!"
# Warn about unexpected shutdown's effect on the report
if ($BootEntries.BootType -contains "Unexpected Shutdown" -and -not $EstimateUnexpectedShutdown) {
Write-Warning "There are unexpected shutdowns in your boot history (may or may not be within your timeframe)."
Write-Warning "Unexpected shutdowns do NOT have a shutdown time and will be excluded from all calculations."
}
elseif ($BootEntries.BootType -contains "Unexpected Shutdown") {
# If requested to estimate the shutdown time. Estimate it based on the last event log prior to the next bootup.
Write-Warning "Estimating unexpected shutdown times. This will not be 100% accurate."
$entry = 0
$BootEntries | ForEach-Object {
if ($_.BootType -ne "Unexpected Shutdown") {
$entry++
return
}
$EventFilter = @{
LogName = "*"
StartTime = $_.BootTime
EndTime = $BootEntries[$($entry - 1)].BootTime
}
# We only want one event to minimize impact on performance
$LastEvent = Get-WinEvent -FilterHashtable $EventFilter -MaxEvents 1
$_.ShutdownTime = $LastEvent.TimeCreated
$_.Duration = (New-TimeSpan -Start $_.BootTime -End $LastEvent.TimeCreated)
$entry++
}
}
Write-Host "`nOldest uptime record: $($BootEntries | Select-Object -ExpandProperty BootTime -Last 1)`n"
# We now have all the information needed to decide what uptime records should be output.
Write-Host "Filtering uptime records to your time frame..."
$ReportableBootEntries = New-Object System.Collections.Generic.List[object]
$BootEntries | ForEach-Object {
if ($_.Duration) {
$_.Duration = $_.Duration | ConvertFrom-TimeSpan
}
if ( $_.ShutdownTime -and $_.ShutdownTime -le $EndDay -and $_.ShutdownTime -ge $StartDay) {
$ReportableBootEntries.Add($_)
return
}
if ( $_.BootType -eq "Current Boot" -and $_.BootTime -le $StartDay -and $_.BootTime -le $EndDay ) {
$ReportableBootEntries.Add($_)
return
}
if ( $_.BootTime -and $_.BootTime -ge $StartDay -and $_.BootTime -le $EndDay) {
$ReportableBootEntries.Add($_)
return
}
}
# Now let's use our information to calculate the total amount of time the system has been online in the time range.
Write-Host "Calculating uptime during time frame..."
$ReportableBootEntries | ForEach-Object {
# If the current boot is in the time range we'll need to use the End Date as the ending time frame.
if ($_.BootType -eq "Current Boot" -and $_.BootTime -gt $StartDay) {
$TotalTimeOnline = $TotalTimeOnline + (New-TimeSpan -Start $_.BootTime -End $EndDay)
return
}
elseif ($_.BootType -eq "Current Boot") {
# If the boot time is older than the start date we'll use the start date.
$TotalTimeOnline = $TotalTimeOnline + (New-TimeSpan -Start $StartDay -End $EndDay)
return
}
# If we're missing the information required to make these calculations we should skip it.
if (-not $_.BootTime -or -not $_.ShutdownTime) {
return
}
# If the uptime entry is in our time range we can add it straight in.
if ($_.BootTime -ge $StartDay -and $_.ShutdownTime -le $EndDay) {
$TotalTimeOnline = $TotalTimeOnline + (New-TimeSpan -Start $_.BootTime -End $_.ShutdownTime)
return
}
# If the uptime entry starts to early then we need to use the start day as the starting point.
if ($_.BootTime -le $StartDay -and $_.ShutdownTime -le $EndDay) {
$TotalTimeOnline = $TotalTimeOnline + (New-TimeSpan -Start $StartDay -End $_.ShutdownTime)
return
}
# If the uptime entry goes too long than we need to use the end date as a reference.
if ($_.ShutdownTime -ge $EndDay -and $_.BootTime -ge $StartDay) {
$TotalTimeOnline = $TotalTimeOnline + (New-TimeSpan -Start $_.BootTime -End $EndDay)
return
}
# If the uptime entry is both before the start day and after the end day we'll use both the start and end day.
if ($_.ShutdownTime -ge $EndDay -and $_.BootTime -le $StartDay) {
$TotalTimeOnline = $TotalTimeOnline + (New-TimeSpan -Start $StartDay -End $EndDay)
return
}
}
# We're now ready to output our results to the activity log
Write-Host ""
$TotalTimeFrame = (New-TimeSpan -Start $StartDay -End $EndDay)
Write-Host "### Time Frame ###"
Write-Host "Start Date: $StartDay"
Write-Host "End Date: $EndDay`n"
# For the percentage we'll take the total number of seconds it was online for and divide it by the total number of seconds possible
$Percentage = $([math]::Round(($TotalTimeOnline.TotalSeconds / $TotalTimeFrame.TotalSeconds * 100), 2))
Write-Host "### Statistics ###"
Write-Host "Percentage Online: $Percentage%"
Write-Host "Total Time Frame: $($TotalTimeFrame | ConvertFrom-TimeSpan)"
if ($TotalTimeOnline) {
$HumanFriendlyTotalUptime = $($TotalTimeOnline | ConvertFrom-Timespan)
}
else {
$HumanFriendlyTotalUptime = "0d 0h 0m 0s"
}
Write-Host "Total Uptime: $HumanFriendlyTotalUptime"
# Let's output our table as well
Write-Host "`n### Uptime Entries ###"
$ReportableBootEntries | Format-Table -AutoSize | Out-String | Write-Host
if ($PercentageCustomField) {
try {
Write-Host "Attempting to set Custom Field '$PercentageCustomField'."
Set-NinjaProperty -Name $PercentageCustomField -Value "$Percentage%"
Write-Host "Successfully set Custom Field '$PercentageCustomField'!"
}
catch {
Write-Host "[Error] $($_.Message)"
$ExitCode = 1
}
}
if ($WysiwygCustomField) {
try {
Write-Host "Attempting to set Custom Field '$WysiwygCustomField'."
$htmlReport = New-Object System.Collections.Generic.List[String]
$htmlReport.Add(@"
<h1>Uptime Statistics</h1>
<ul class="unstyled"><strong>Percentage Online:</strong> $Percentage%</ul>
<ul class="unstyled"><strong>Uptime (In Range):</strong> $HumanFriendlyTotalUptime</ul>
<ul class="unstyled"><strong>Range:</strong> $($StartDay.ToShortDateString()) - $($EndDay.ToShortDateString())</ul>
"@)
$htmlTable = $ReportableBootEntries | ConvertTo-Html -Fragment
$htmlTable = $htmlTable -replace "<tr><td>Current Boot</td>", '<tr class="success"><td>Current Boot</td>'
$htmlTable = $htmlTable -replace "<tr><td>Normal</td>", '<tr class="other"><td>Normal</td>'
$htmlTable = $htmlTable -replace "<tr><td>Unexpected Shutdown</td>", '<tr class="danger"><td>Unexpected Shutdown</td>'
$htmlTable | ForEach-Object { $htmlReport.Add($_) }
Set-NinjaProperty -Name $WysiwygCustomField -Value ($htmlReport | Out-String)
Write-Host "Successfully set Custom Field '$WysiwygCustomField'!"
}
catch {
Write-Host "[Error] $($_.Message)"
$ExitCode = 1
}
}
exit $ExitCode
}
end {
}
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Detailed breakdown
The script operates in several steps:
- Parameter initialization: It accepts parameters like the number of days, specific start and end dates, and custom field names for output.
- Environment check: It adjusts parameters based on environment variables if available.
- Validation: Ensures that the input parameters are logically consistent and valid.
- Event log analysis: The script fetches system event logs to identify boot and shutdown events.
- Uptime calculation: It calculates the uptime by analyzing the duration between boot and shutdown events.
- Report generation: Generates a detailed report including uptime percentage, total time frame, and individual boot entries.
- Custom field output: Optionally outputs the results to specified custom fields for integration with other tools like NinjaOne.
Potential use cases
Consider an IT manager overseeing a network of Windows devices in a corporate environment. They use this script to monitor system reliability, particularly after deploying a significant update. By reviewing uptime statistics, they can proactively address any instability issues or identify devices that require maintenance.
Comparisons
Traditionally, uptime is often checked manually via Task Manager or System Information tools in Windows. However, this script automates the process, provides more detailed information, and allows for historical analysis over custom time frames, making it more efficient and thorough.
FAQs
Q1: Can this script report on remote systems?
A1: Yes, if executed within a network environment with appropriate access privileges.
Q2: Is it possible to schedule this script to run automatically?
A2: Yes, the script can be scheduled using Windows Task Scheduler or similar tools.
Q3: How accurate is the unexpected shutdown estimation?
A3: It provides an estimation based on the last known event log, which may not be 100% accurate but offers a close approximation.
Implications
Understanding device uptime is pivotal for IT security and efficiency. Continuous uptime over extended periods might indicate missed critical updates or patches, posing a security risk. Conversely, frequent reboots might signal underlying system instability.
Recommendations
Best practices include regular scheduling of the script for consistent monitoring, customization of output fields for integration with IT management tools, and complementing this script with other monitoring tools for comprehensive system analysis.
Final thoughts
Incorporating this PowerShell script into an IT management suite like NinjaOne enhances the ability to monitor and maintain system health efficiently. NinjaOne’s comprehensive platform complements the script’s capabilities, providing a more holistic view of network health and performance.
