DXPetti

<#
.Synopsis
  Search DHCP for the specified MAC address
.DESCRIPTION
  This function enumerates through each scope in either a defined site or the current site and displays any DHCP lease or reservation that matches the MAC address specified 
.EXAMPLE 
  Get-Mac -Mac 000000000000 
.EXAMPLE
  Get-Mac -Mac 0000 -DhcpSite CONTOSO 
.EXAMPLE

DXPetti

<#
.DESCRIPTION
    Powershell script that prompts user to accept license followed by installation of font and license files
.PARAMETERS
    None - execute directly from Powershell
.Version
    1.3
.Author
    James Pettigrove
.Compatibility

DXPetti

# Import list of Users From CSV into $Userlist

$UserList=IMPORT-CSV driveletter:\pathtofile.csv

# Step through Each Item in the List

FOREACH ($Person in $UserList) {

# Build Username

DXPetti

<#
.DESCRIPTION
  Powershell script to add DHCP vendor class and policies to allow Legacy BIOS based network booting (PXE) based upon information sent by client detailed in RFC 4578 (https://tools.ietf.org/html/rfc4578) 
.PARAMETERS
  None - execute directly from Powershell 
.VERSION
  1.0 
.AUTHOR
  James Pettigrove 
.COMPATIBILITY

DXPetti

<#
.DESCRIPTION
  Powershell script to remove DHCP policies that allows Legacy BIOS based network booting (PXE) based upon information sent by client detailed in RFC 4578 (https://tools.ietf.org/html/rfc4578)
.PARAMETERS
  None - execute directly from Powershell
.VERSION
  1.0
.AUTHOR
  James Pettigrove
.COMPATIBILITY

DXPetti

<#
.Synopsis
   Clean up machines with bad (old/corrupt) machine Registry.pol files
.DESCRIPTION
   Taking a array as input, this cmdlet assists in keeping machines in a healthy state to accept Group Policy driven changes
   by confirming the last modified date of the machines Registry.pol and if older than a day , remove it, (or doesn't exist)
   followed by a forced Machine Policy update.
   To work against older WMF/Powershell environments, invoke-command + invoke-gpupdate have been avoided.
.EXAMPLE
   Repair-RegistryPol -Computers workstation1,workstation2

DXPetti

<#
.Synopsis
   Install MiniKube + Kubectl
.DESCRIPTION
   This script downloads the executables for MiniKube, Kubectl, configures Hyper-V as the hypervisor (if not configured already)
   together with configuring a specific network adapter for use with the Minikube virtual machine
.EXAMPLE
   Install-MiniKube
.NOTES
   Version:        1.0

DXPetti

# As per https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV200001

takeown /f $ENV:windir\syswow64\jscript.dll
cacls $ENV:windir\syswow64\jscript.dll /E /P everyone:N
takeown /f $ENV:windir\system32\jscript.dll
cacls $ENV:windir\system32\jscript.dll /E /P everyone:N

DXPetti

# As per https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV200001

cacls $ENV:windir\system32\jscript.dll /E /R everyone    
cacls $ENV:windir\syswow64\jscript.dll /E /R everyone

DXPetti

<#
.Synopsis
   Backups up and sets the Out of Office message for all shared mailboxes
.DESCRIPTION
   Taking a path plus message as input, this cmdlet gets all current mailboxes in specific OU, loops
   through and takes a backup of (if any) Out of Office message plus parameters defined for the message.
   In the same loop, the message inputted earlier is then defined as a Enabled, External Audience Out of
   Office message.
.EXAMPLE
   Set-SharedMbxOoo -Path C:\Temp\BackupOfOOO\ -Message "Hello there!"