How can I gain access to a Windows NT if Admin Password Forgotten.docx

How can I gain access to a Windows NT if Admin Password Forgotten.docx

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HowcanIgainaccesstoaWindowsNTifAdminPasswordForgotten

HowcanIgainaccesstoaWindowsNT/2000/XP/2003computerifIforgottheadministrator'spassword?

HowcanIresettheadministrator'spasswordifIforgotit?

http:

//www.petri.co.il/forgot_administrator_password.htm

FeaturedProduct:

WindowsXP/2000/NTKey-EasytouseutilitytoresetWindows2003/XP/2K/NTlocalanddomaincontrolleradministratorpasswords.DownloadFREEversionnow!

Ok,soyousayyouforgotyourWindowsadministrator'spassword,huh?

Ohwell,itdoesn'treallymatterifyoudidoryoujustsayyoudid.Thefactisthatyouneedtogainaccesstoacomputerandyoucannot"remember"theadministrator'spassword.

Howcanyougetoutofthissituationwithoutformattingandre-installingtheoperatingsystem?

Onemethodofgainingaccesstothesystemisbytryinghardtoremembertheforgottenpassword,orapasswordofanotheruserwhichhasthesamelevelofadministrativerights.HoweverIdon'tthinkthisapproachwillhelpyou,otherwiseyouwouldn'tbesittingherereadingarticle,wouldyou?

）

AnothermethodisbytryingtorestoreabackedupSystemState（inWindows2000/XP/2003）oraERD（inNT4.0）inwhichyoudorememberthepassword.Theproblemwithdoingsoisthatyou'llprobablylosealloftherecentlyaddusersandgroups,andallthechangedpasswordsforallofyouruserssincethelastbackupwasmade.

Athirdmethodmightbetoinstallaparalleloperatingsystemonadifferentpartitiononthesamecomputer,thenuseasimpletricktogainaccesstotheoldsystem.ReadmoreaboutitonmyForgottheAdministrator'sPassword?

-AlternateLogonTrickarticle.

Note:

Ifyouarelookingforpasswordcrackingtoolsthatcanbeusedformiscellaneousobjectivessuchaspassword-protectedPDFdocuments,zippedarchives,Officedocuments,BIOSprotectionandsoonthenthispagesisNOTforyou.Seesomelinksatthebottomofthispageforhintsonwheretofindsuchtools,butIcantellyourightawaythatGooglemightbeabetterchoiceforyou.

Thefourthoptionisbyusing3rdpartytoolsthatwillenableyoutoresetthelostpasswordandlogonwithablankpassword.

Update:

YoucanalsodiscussthesetopicsonthededicatedPetri.co.ilForgotAdminPasswordForum.

Translationsofthisarticle

Therearesometranslationsmadeofthisarticle.HerearetheonesIamawareof（dotellmeifyouknowofanother,orifyouwanttocreateoneinyourlanguage）:

∙Portuguese-HEREisanexcellenttranslationofthisarticleintoPortuguese（byBrunoKoga-Thanks!

）

∙Serbian-HERE（byAleksandarStojilkovic-thanks!

）

∙Spanish-HERE（byVictorPereyra-thanks!

）

FreeTools

Herearesomeofthesetools:

FreeWindowspassword-crackingtoolsareusuallyLinuxbootdisksthathaveNTfilesystem（NTFS）driversandsoftwarethatwillreadtheregistryandrewritethepasswordhashesforanyaccountincludingtheAdministrators.Thisprocessrequiresphysicalaccesstotheconsoleandanavailablefloppydrivebutitworkslikeacharm!

I'vedoneitmyselfseveraltimeswithnoglitchorproblemwhatsoever.

Beware!

!

!

Resettingauser'soradministrator'spasswordonsomesystems（likeWindowsXP）mightcausedataloss,especiallyEFS-encryptedfilesandsavedpasswordsfromwithinInternetExplorer.ToprotectyourselfagainstEFS-encryptedfileslossyoushouldalwaysexportyourPrivateandPublickey,alongwiththekeysfortheRecoveryAgentuser.PleasereadmoreaboutEFSonmyWhat'sEFS?

page.Outofthefollowinglist,theonlytoolthatwillnocauseanyharmtoEFS-encryptedfilesonyourharddiskistheWindowsPasswordrecoverysystem.

Hereare5ofthesefreetools:

1.WindowsPasswordrecovery-Canretrieveforgottenadminandusers'passwordsinminutes.Safestpossibleoption,doesnotwriteanythingtoharddrive.

2.PetterNordahl-Hagen'sOfflineNTPassword&RegistryEditor-AgreatbootCD/Floppythatcanresetthelocaladministrator'spassword.

3.Openwall'sJohntheRipper-Goodbootfloppywithcrackingcapabilities.

4.EBCD–EmergencyBootCD-BootableCD,intendedforsystemrecoveryinthecaseofsoftwareorhardwarefaults.

5.Austrumi-BootableCDforrecoveringpasswordsandothercooltools.

Ifyouhappentoknowaboutotherfreetoolspleaseletmeknow

.

Note:

Thesepasswordresettingtoolsareusuallygoodforlocalusersonastandalonecomputer.ForDomainAdminpasswordresettingprocedurespleaseseetheRelatedArticlessectionatthebottomofthispage.

Note:

I'dliketoputtogetheralltheinfoyouhaveabouttheseissues.Ifyouhaveanytips,recommendedlinksoranyideasabouthowtofigureoutalostpassword-pleasee-mailmeandI'llgetbacktoyou

.

WindowsPasswordrecovery

ThissiteprovidesatooltorecoverlostWindowsXPpasswords.Itworksforadministratoranduseraccounts,itdoesn'tchangethepasswordjusttellsyoutheoldone.Itworkswithencryptedfiles（EFS）andpasswordhashes.Itevenworksifnopasswordsatallareknownforthemachine（aslongasyouhaveanothercomputerwithinternetaccesstoviewthiswebsitewith）.

AuthorclaimsitalsoworkswithWindowsNTandWindowsServer2003andWindowsLonghorn,buttheBESTthingaboutitisthefactthatitwon'tresetyourpasswords,butsimplyrevealthemforyoutorememberandthenuse.

Giveitatry.Theauthorwouldliketoreceivefeedback.Thereisafreeserviceaswellasapriorityservicethatwillretrieveyourpasswordswithinminutes.Thefeeforthepriorityserviceisverycheap,andisreallyjusttocoverservercosts.

Note:

You'llneedablankfloppytoruntheprocess.

Update:

AuthornowoffersthesametoolasaCDimageforthoseofyouwhodonothaveafloppyintheircomputer.

Usage,instructionsandadditionalinformationcanbefoundat

OfflineNTPassword&RegistryEditor（v060213-February2006）

PetterNordahl-HagenhaswrittenaWindowsNT/2000/XPofflinepasswordeditor:

http:

//home.eunet.no/~pnordahl/ntpasswd

∙Thisisautilityto（re）setthepasswordofanyuserthathasavalid（local）accountonyourWindowsNT/2000/XP/2003system,bymodifyingtheencryptedpasswordintheregistry'sSAMfile.

∙Youdonotneedtoknowtheoldpasswordtosetanewone.

∙Itworksoffline,thatis,youhavetoshutdownyourcomputerandbootoffafloppydiskorCD.Theboot-diskincludesstufftoaccessNTFSpartitionsandscriptstogluethewholethingtogether.

∙Workswithsyskey（noneedtoturnitoff,butyoucanifyouhavelostthekey）

∙Willdetectandoffertounlocklockedordisabledoutuseraccounts!

Caution:

IfusedonusersthathaveEFSencryptedfiles,andthesystemisXPorlaterservicepacksonW2K,allencryptedfilesforthatuserwillbeUNREADABLE!

andcannotberecoveredunlessyouremembertheoldpasswordagain!

Downloadlinks:

∙cd060213.zip（~3MB）-BootableCDimagewithnewerdrivers

∙bd050303.zip（~1.1MB）-Bootdiskimage,date050303.

∙sc050303.zip（~1.4MB）-SCSI-drivers（050303）（onlyusenewestdriverswithnewestbootdisk,thisoneworkswithbd050303）

Towritetheseimagestoafloppydiskyou'llneedRawWrite2whichisincludedintheBootdiskimagedownload.TocreatetheCDyoujustneedtouseyourfavoriteCDburningprogramandburnthe.ISOfiletoCD.

SupportandProblems?

Don'tcallme!

Talktothecreatorofthisgreattool.HealsohasagoodFAQsetupcoveringmostoftheday-to-dayquestions.ReaditrightHERE

AuthorclaimsthatthistoolwassuccessfullytestedonNT3.51,NT4,Windows2000（exceptdatacenter）,WindowsXP（allversions）andWindowServer2003.NoticethatitisNOTcompatiblewithActiveDirectory.

NeedtochangeWindowsNT/2000DomainAdminpassword?

Thistool,howeveruseful,willonlyresetthelocaladministrator'spassword（e.g.theonefoundinthelocalcomputer'sSAM）.Toresetapasswordofadomainadministrator（oranyotheruserforthatmatter）youmustperformtheroutinethatisdescribedinthefollowingpage:

ForgottheAdministrator'sPassword?

-ResetDomainAdminPasswordinWindows2000AD.

Note:

TheabovetrickwillprobablynotworkunderWindowsServer2003duetoserviceaccountsecuritychanges.ToworkaroundtheselimitationspleasereadtheForgottheAdministrator'sPassword?

-ResetDomainAdminPasswordinWindowsServer2003ADpage.

JohntheRipper（v1.7.0.1）

JohntheRipperisafastpasswordcracker,currentlyavailableformanyflavorsofUnix（11areofficiallysupported,notcountingdifferentarchitectures）,DOS,Win32,BeOS,andOpenVMS.ItsprimarypurposeistodetectweakUnixpasswords.Besidesseveralcrypt（3）passwordhashtypesmostcommonlyfoundonvariousUnixflavors,supportedoutoftheboxareKerberosAFSandWindowsNT/2000/XPLMhashes,plusseveralmorewithcontributedpatches.

Readmoreat

Downloadlinks:

JohntheRipper1.7.0.1（1.32mb）

AProversionalsoexistsontheauthor'ssite,howeverthatonecostsmoney.

EBCD–EmergencyBootCD（v0.61-October2004）

EBCDisabootableCD,intendedforsystemrecoveryinthecaseofsoftwareorhardwarefaults.Itisabletocreatebackupcopiesofnormallyworkingsystemandrestoresystemtosavedstate.Itcontainsthebestsystemsoftwareevercreated,properlycompiledandconfiguredforthemaximumefficientuse.

EBCDwillbeveryusefulwhenyouneedto:

∙Copy/movefiles（withlongnames,notnecessaryinCP437encoding）from/tothediskbutOSwhichcanhandlethem（windows,Linux...）cannotboot.Inparticular,youmaycreateabackupcopyofnormallyinstalledandconfiguredWindowsandlaterrestoreWindowsfromsuchbackupcopy.So,inthecaseoffaultOSitselfandallsoftw