Windows Backup Tools

Legacy “NTBACKUP” – file-based, automatically installed with Windows
 
Scheduled task short-cut: taskschd.msc (Windows 2008 & above)
 
New “Windows Server Backup” Tool
    • Block-based (more efficient, integrated with Volume Shadow Copy). Take image and mount as a volume in a virtual machine to perform browse / restore functions.
    • Installation command for Windows 2008: # servermanagercmd -install Backup-Features
      • Installation for Windows 2012: Run Windows Server Add Roles and Features Wizard – select Installation type as Role-based or feature-based – click Next – select server from the list – click Next – Skip role selection by clicking Next – put a check mark at Windows Server Backup – click Next – press Install
    • Command Line Usage: # wbadmin enable backup –addtarget:G:
      -include:c:,d: -schedule:21:00
    • How to disable scheduled backups: # wbadmin disable backup
    • MMC method:
      • Configure the snap-in to include Backup Services
      • Specify backup time, source, and destination
 

Active Directory Snapshots
  • Create: # ntdsutil
    snapshot
    activate instance ntds
    create
    quit
    quit
    • Mount snapshot as read-only: # ntdsutil
      snapshot
      list all
      1: {something here}
      2: {something here 2}
      3: {something here 3}
      snapshot: mount {index number}
      quit
      quit
    • Delete old snapshots: # ntdsutil
      snapshot
      list all
      1: {something here}
      2: {something here 2}
      3: {something here 3}
      snapshot: delete {snapshot number}
      quit
      quit
    • Recover data from AD snapshots:
      • Command to mount on BACKUP server: # dsamain –dbpath c:\$snap_201504301136_volumed$\windows\ntds\dit
        \ntds.dit -ldapport 20000
      • Connect to the  AD snapshot:
  • Open Active Directory Users and Computers (ADUC) –  right-click top-level node –  select Change Domain Controller – select This Domain Controller or AD LDS Instance – Specify value as “BACKUP:20000”
  • Search for the accidentally deleted user, OU, or container – copy such content back into the production ADUC container
 
To schedule a task to create AD DS or AD LDS snapshots
  1. Log on to a domain controller as a member of the Enterprise Admins group or the Domain Admins group.
  2. Click Start, click Administrative Tools, and then click Task Scheduler.
  3. If the User Account Control dialog box appears, confirm that the action it displays is what you want, and then click Continue.
  4. Click Action, and then click Create task.
  5. On the General tab, type a name for your task, and then select the appropriate security options to run the task.
  6. On the Triggers tab, click New.
  7. In New Trigger, select the appropriate settings for the task, and then click OK.
  8. On the Action tab, click New.
  9. In New Action, type the name or browse to the file path that contains Ntdsutil.exe and in Add arguments (optional), type the following command, and then press ENTER:
    ntdsutil “activate instance ntds” snapshot create quit quit
  10. On the Conditions tab and the Settings tab, select any additional settings that you want to apply to the task, and then click OK.
  11. If you are prompted, enter the password for a member of the Enterprise Admins group or the Domain Admins group, and then click OK.
Recovery Procedure:
    • Boot from Windows Server 2012 CD with the Repair Option
    • Choose “Windows Complete PC Restore”
    • How to selectively restore deleted OU
    • Boot the server into Directory Services Restore Mode (DSRM)
      • Reboot with this command: # bcdedit /set safeboot dsrepair
      • Remove DSRM booting mode with this command: # bcdedit /deletevalue safeboot
      • Command to create a DSRM boot option: bcdedit /copy {default}
        /d “Directory Service Repair Mode”
        • bcdedit /set {<GUID obtained from result of previous command>}
          safeboot dsrepair
      • Restore the Active Directory Domain Services (ADDS) database to an earlier state
    • Identify backups available for recovery
      • Command: # wbadmin get versions
        • Copy the version date (i.e. 04/29/2015-12:15)
        • Recovery command: # wbadmin start systemstaterecovery
          –version:04/29/2015-12:15
    • Recover data from AD snapshots:
      • Command to mount on BACKUP server: # dsamain –dbpath
        c:\$snap_201504292010_volumed$\ntds\dit
        \ntds.dit -ldapport 10000
      • Connect to the  AD snapshot:
        • Open Active Directory Users and Computers (ADUC) –  right-click top-level node –  select Change Domain Controller – select This Domain Controller or AD LDS Instance – Specify value as “BACKUP:10000”
        • Search for the accidentally deleted user, OU, or container – copy such content back into the production ADUC container

 


REM maintainSnapshots.bat

@echo off

REM Logs Location (Used for manage retention). The folder have to contain only the text files of this batch.
set mypath=C:\ADSnapshots\
if not exist %mypath% mkdir %mypath%

REM Setup of the retention of snapshots in seconds (1 Day = 86400, 30 Days = 2592000)
set retention=2592000

REM (Time in seconds since 1970-01-01 for Sun Jul 4 12:00:00 1976 GMT)
for /f %%x in ('wmic path win32_utctime get /format:list ^| findstr "="') do (set %%x)
set /a z=(14-100%Month%%%100)/12, y=10000%Year%%%10000-z
set /a mydate=y*365+y/4-y/100+y/400+(153*(100%Month%%%100+12*z-3)+2)/5+Day-719469
set /a mydate=mydate*86400+100%Hour%%%100*3600+100%Minute%%%100*60+100%Second%%%100

REM Creation of the snapshot
echo Snapshot in progress
ntdsutil snapshot "activate instance ntds" create quit quit > %mypath%%mydate%.txt

REM Get the ID of the Snapshot and save it into the log file
for /f "tokens=1,2,3,4,5 delims= " %%a in ('findstr /i /c:"{" "%mypath%%mydate%.txt"') do @echo %%c > %mypath%%mydate%.txt

REM Removing old snapshot
echo Removing old snapshot
for /f "tokens=1,2 delims=." %%a in ('dir %mypath% /b') do call :CalcRetention %%a
goto end
:CalcRetention
set val=%1
set /a result=%mydate%-%retention%
IF %val% LSS %result% (
for /f "tokens=1,* delims= " %%a in ('findstr /i /c:"{" "%mypath%%val%.txt"') do call :removeSnapshot %%a %val%
)
goto end
:removeSnapshot
set guid=%1
set filename=%2
ntdsutil snapshot "delete %guid%" quit quit
del /S "%mypath%%filename%.txt"
goto end
:End

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