AD PowerShell - Windows Server

Get System Information

# VARIABLES

$GetDate = Get-Date -Format ddMMyyyy_HHmmss

$GetHostname = (Get-CimInstance -ClassName Win32_ComputerSystem).Name

$HostnameDate = "$GetHostname" + "_" + "$GetDate"

# DEFINE OUTPUT FILE PATHS

$csvPathSystem = "$HostnameDate\Server_SystemInfo.csv"

$csvPathDisk = "$HostnameDate\Server_DiskInfo.csv"

$csvPathSoftware = "$HostnameDate\Server_InstalledSoftware.csv"

$csvPathPatches = "$HostnameDate\Server_InstalledPatches.csv"

$csvPathNetwork = "$HostnameDate\Server_NetworkInfo.csv"

$csvPathDomain = "$HostnameDate\Server_DomainInfo.csv"

$csvPathIPConfig = "$HostnameDate\Server_IPConfig.csv"

$htmlPath = "$HostnameDate\ServerReport.html"

# CREATE FOLDER

New-Item -Path ".\" -Name "$HostnameDate" -ItemType "directory" | Out-Null

# COLLECT SYSTEM INFORMATION

$SystemInfo = [PSCustomObject]@{

ServerName = $env:COMPUTERNAME

OSName = (Get-ComputerInfo).OsName

OSVersion = (Get-ComputerInfo).OsArchitecture

LastBootTime = (Get-CimInstance Win32_OperatingSystem).LastBootUpTime

SystemUpTime = ((Get-Date) - (Get-CimInstance Win32_OperatingSystem).LastBootUpTime).Days

InstallDate = (Get-CimInstance Win32_OperatingSystem).InstallDate

Manufacturer = (Get-ComputerInfo).CsManufacturer

Model = (Get-ComputerInfo).CsModel

Processor = (Get-ComputerInfo).CsProcessors

TotalRAMGB = [math]::Round((Get-CimInstance Win32_ComputerSystem).TotalPhysicalMemory / 1GB, 2)

}

$SystemInfo | Export-Csv -Path $csvPathSystem -NoTypeInformation

# COLLECT DISK INFORMATION

$DiskInfo = Get-PSDrive | Where-Object { $_.Provider -like "Microsoft.PowerShell.Core\FileSystem" } | Select-Object Name, @{n = "TotalSizeGB"; e = { [math]::Round(($_.Used + $_.Free) / 1GB, 2) } }, @{n = "FreeSpaceGB"; e = { [math]::Round($_.Free / 1GB, 2) } }

$DiskInfo | Export-Csv -Path $csvPathDisk -NoTypeInformation

# GET INSTALLED SOFTWARE FROM REGISTRY (MORE ACCURATE)

$RegistryPaths = @(

"HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*",

"HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*"

)

$InstalledSoftware = @()

foreach ($path in $RegistryPaths) {

if (Test-Path $path) {

# ENSURE THE REGISTRY PATH EXISTS BEFORE QUERYING

$InstalledSoftware += Get-ItemProperty -Path $path | Select-Object DisplayName, DisplayVersion, Publisher, InstallDate

}

# FILTER OUT EMPTY DISPLAYNAME VALUES

$InstalledSoftware = $InstalledSoftware | Where-Object { $_.DisplayName -ne $null }

$InstalledSoftware | Export-Csv -Path $csvPathSoftware -NoTypeInformation

# COLLECT INSTALLED WINDOWS UPDATES

$InstalledPatches = Get-HotFix | Select-Object HotFixID, Description, InstalledOn

$InstalledPatches | Export-Csv -Path $csvPathPatches -NoTypeInformation

# COLLECT NETWORK DETAILS

$NetworkInfo = Get-NetIPAddress | Where-Object { $_.AddressFamily -eq "IPv4" } | Select-Object InterfaceAlias, IPAddress

$NetworkInfo | Export-Csv -Path $csvPathNetwork -NoTypeInformation

# GET DOMAIN INFORMATION

$DomainInfo = [PSCustomObject]@{

DomainName = (Get-WmiObject Win32_ComputerSystem).Domain

DomainRole = (Get-WmiObject Win32_ComputerSystem).DomainRole

DNSHostName = (Get-WmiObject Win32_ComputerSystem).DNSHostName

}

$DomainInfo | Export-Csv -Path $csvPathDomain -NoTypeInformation

# GET FULL IP CONFIGURATION (FIXED VERSION)

$IPConfig = Get-NetIPConfiguration | Format-List | Out-String

$IPConfig | Out-File -FilePath $csvPathIPConfig

# CONVERT TO HTML

$HtmlReport = "<html><body><h2>Server Information Report</h2>"

$HtmlReport += "<h3>System Information</h3><pre>" + ($SystemInfo | Out-String) + "</pre>"

$HtmlReport += "<h3>Disk Information</h3><pre>" + ($DiskInfo | Out-String) + "</pre>"

$HtmlReport += "<h3>Installed Software</h3><pre>" + ($InstalledSoftware | Out-String) + "</pre>"

$HtmlReport += "<h3>Installed Patches</h3><pre>" + ($InstalledPatches | Out-String) + "</pre>"

$HtmlReport += "<h3>Network Information</h3><pre>" + ($NetworkInfo | Out-String) + "</pre>"

$HtmlReport += "<h3>Domain Information</h3><pre>" + ($DomainInfo | Out-String) + "</pre>"

$HtmlReport += "<h3>IP Configuration</h3><pre>" + $IPConfig + "</pre>"

$HtmlReport += "</body></html>"

$HtmlReport | Out-File -FilePath $htmlPath

Write-Host "Server report generated:"

Write-Host "CSV Reports:"

Write-Host " - System Info: $csvPathSystem"

Write-Host " - Disk Info: $csvPathDisk"

Write-Host " - Installed Software: $csvPathSoftware"

Write-Host " - Installed Patches: $csvPathPatches"

Write-Host " - Network Info: $csvPathNetwork"

Write-Host " - Domain Info: $csvPathDomain"

Write-Host " - IPConfig Output: $csvPathIPConfig"

Write-Host "HTML Report: $htmlPath"

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