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Jeremy JeremyTBradshaw

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@JeremyTBradshaw
JeremyTBradshaw / LeanChoicePrompt.ps1
Last active December 1, 2020 20:17
#Requires -Version 5.1
using namespace System.Management.Automation.Host
switch (
$host.UI.PromptForChoice(
"Caption (e.g. 'XYZ has come up!')",
"Message (e.g. 'How would you like to proceed?",
[ChoiceDescription[]]@(
@JeremyTBradshaw
JeremyTBradshaw / New-FakeThumbprint.ps1
Last active December 3, 2020 17:34
Quick fake certificate thumbprints (and Guid's)
# For documentation purposes, sometimes I need fake thumbprints (and Guid's).
function New-FakeThumbprint ([ValidateRange(1, 10)][int]$Count = 1) {
1..$Count | ForEach-Object {
(
1..40 | Foreach-Object {
Get-Random @('A', 'B', 'C', 'D', 'E', 'F', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9')
}
) -join ''
@JeremyTBradshaw
JeremyTBradshaw / Create-Outlook-Autodiscover-Method-Toggle-DWORDs.cmd
Created December 17, 2020 23:46
Outlook Autodiscover Method Toggles
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v PreferLocalXML /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeHttpRedirect /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeHttpsAutoDiscoverDomain /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeHttpsRootDomain /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeScpLookup /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeSrvRecord /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeLastKnownGoodURL /t REG_DWORD /d 0
reg add HKCU\Software\Microsoft\Office\16.0\Outlook\AutoDiscover /v ExcludeExplicitO365Endpoint /t REG_DWORD /d 0
@JeremyTBradshaw
JeremyTBradshaw / Microsoft.PowerShell_profile.ps1
Created May 12, 2021 14:01
PS $Profile
using namespace System
using namespace System.Runtime.InteropServices
########-----------#
#region# Variables #
########-----------#
try {
$Cred1 = Import-Clixml "$($HOME)\Cred1.xml" -ErrorAction Stop
Write-Information -MessageData "`$Cred1: $($Cred1.UserName)" -InformationAction Continue
@JeremyTBradshaw
JeremyTBradshaw / Capture-LegacyExchangeDNs.ps1
Created December 16, 2021 19:46
Capture LegacyExchangeDN's during Exchange org splits
<#
.Synopsis
This is not intended to be an executable script. It's PS1 for now simply for syntax highlighting.
#>
#======#---------------------------#
#region# Backup LegacyExchangeDN's #
#======#---------------------------#
$LDNRecipients = @()
$Recipients = @()
@JeremyTBradshaw
JeremyTBradshaw / Exchange_pre-CU_Backup.ps1
Created March 5, 2021 00:44
Exchange pre-CU Backup
# Backup all *.config files.
# Backup all supported OWA customization files:
# https://docs.microsoft.com/en-us/Exchange/clients/outlook-on-the-web/customize-outlook-on-the-web?view=exchserver-2016
# https://docs.microsoft.com/en-us/Exchange/clients/outlook-on-the-web/customize-outlook-on-the-web?view=exchserver-2019
$BackupLocation = "$HOME\Desktop\Exchange_pre-CU_Backup\"
$ExInstallRoot = 'C:\Program Files\Microsoft\Exchange Server\v15\'
$OwaAuthDir = '\FrontEnd\HttpProxy\owa\auth\'
$OwaPremDir = '\ClientAccess\Owa\prem\'
@JeremyTBradshaw
JeremyTBradshaw / GuidToImmutableIdAndBack.ps1
Last active July 27, 2022 14:13
Convert between Guid and ImmutableId (for Azure AD / Office 365 customers)
#Requires -Version 3
function ConvertFrom-GuidToImmutableId ([Guid]$Guid){
[System.Convert]::ToBase64String([Guid]::Parse($Guid).ToByteArray())
}
New-Alias -Name g2i -Value ConvertFrom-GuidToImmutableId
function ConvertFrom-ImmutableIdToGuid ([string]$ImmutableId) {
@JeremyTBradshaw
JeremyTBradshaw / ConvertFrom-DistinguishedName.ps1
Created August 5, 2022 12:01
Convert DistinguishedName's to CanonicalName's
function ConvertFrom-DistinguishedName ($DistinguishedName) {
$Domain = ($DistinguishedName -split ',DC=' | Where-Object { $_ -notmatch '^CN=' }) -join '.'
$CNPath = ($DistinguishedName -split ',DC=' | Where-Object { $_ -match '^CN=' }) -split ',\w\w='
[array]::Reverse($CNPath)
($Domain + '/' + ($CNPath -join '/')) -replace 'CN=' -replace '\\'
}
ConvertFrom-DistinguishedName "CN=Bradshaw\, Jeremy,OU=PowerShell,DC=Sample,DC=code"
@JeremyTBradshaw
JeremyTBradshaw / ConvertFrom-SecureStringToPlainText.ps1
Last active January 30, 2023 09:30
For PowerShell 5.1 and older, convert secure strings back to plain text
function ConvertFrom-SecureStringToPlainText ([System.Security.SecureString]$SecureString) {
[System.Runtime.InteropServices.Marshal]::PtrToStringAuto(
[System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($SecureString)
)
}
New-Alias -Name s2p -Value ConvertFrom-SecureStringToPlainText
@JeremyTBradshaw
JeremyTBradshaw / ExchangeServerTLS1.2.reg
Last active February 18, 2023 18:21
Quickly enable TLS1.2 and disable PCT1.0, SSL2.0, SSL3.0, TLS1.0, and TLS1.1
Windows Registry Editor Version 5.00
;#======#---------------#
;#region# .NETFramework #
;#======#---------------#
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v2.0.50727]
"SystemDefaultTlsVersions"=dword:00000001
"SchUseStrongCrypto"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319]