Export Putty settings

regedit /e "%USERPROFILE%\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham

Identify Windows 10 installation media build

Run Command Prompt as administrator
adism /Get-WimInfo /WimFile:F:\sources\install.esd /index:1

Windows 10 lock screen picture file location

If you want to save some Windows Spotlight picture - open the folder:
C:\Users\<User>\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assets\

Look for the files with current date greater than 400KB.
Open files with MSPaint to find the exact one. Save it to *.jpg

Change AD user profile path

1. Find users SID:
wmic useraccount where name="USER" get sid

2. Open in regedit key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\User SID

3. Modify ProfileImagePath value

Delete old computers from Active Directory

Get list of inactive computer for 4 weeks:
dsquery computer –inactive 4

Source: portal.sivarajan.com

Change Office 365 sign-in name for AD synced user

To change Office 365 sign-in (Principal) name for user synced with Onsite AD:

1. Start PowerShell
2. Make sure the Microsoft Online module is loaded
3. Execute the following command:

set-msoluserprincipalname -newuserprincipalname newuser@emailaddress.com -userprincipalname user@emailaddress.com.

Source: msonlinehelpdesk.zendesk.com

Copy data to other location and retain permissions

@echo off

SET SRC="\\server\share"
SET DST="C:\WHERE YOU WANT FILES TO GO"
SET LOG="C:\Robocopy.log"

ROBOCOPY %SRC% %DST% /E /ZB /MIR /SEC /SECFIX /COPYALL /R:1 /W:1 /V /TEE /LOG:%LOG%
@if errorlevel 16 echo ***ERROR *** & goto END
@if errorlevel 8  echo **FAILED COPY ** & goto END
@if errorlevel 4  echo *MISMATCHES *      & goto END
@if errorlevel 2  echo EXTRA FILES       & goto END
@if errorlevel 1  echo --Copy Successful--  & goto END
@if errorlevel 0  echo --Copy Successful--  & goto END
goto END

:END

PAUSE

Here's what the switches mean:

• SRC:: Source Directory (drive:\path or \\server\share\path).
• DST:: Destination Dir  (drive:\path or \\server\share\path).
• /E :: copy subdirectories, including Empty ones.
• /ZB :: use restartable mode; if access denied use Backup mode.
• /MIR :: Mirrors a directory tree.
• /SEC :: Copies files with security
• /SECFIX ::Fixes file security on all files, even skipped ones.
• /COPYALL :: COPY ALL file info (equivalent to /COPY:DATSOU).  Copies the Data, Attributes, Timestamps, Owner, Permissions and Auditing info
• /R:n :: number of Retries on failed copies: default is 1 million but I set this to only retry once.
• /W:n :: Wait time between retries: default is 30 seconds but I set this to 1 second.
• /V :: produce Verbose output, showing skipped files.
• /TEE :: output to console window, as well as the log file.
• /LOG:file :: output status to LOG file (overwrite existing log).

Source: community.spiceworks.com