Update NET Framework 35 on Windows 8Windows Server R2.docx

Update NET Framework 35 on Windows 8Windows Server R2.docx

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UpdateNETFramework35onWindows8WindowsServerR2

Updateforthe.NETFramework3.5onWindows8,Windows8.1,WindowsServer2012,andWindowsServer2012R2

INTRODUCTION

ThisupdateresolvesanissuethatpreventstheoptionalMicrosoft.NETFramework3.5featurefrombeingenabledafteryouinstallsecurityupdate2966827or2966828（describedinMicrosoftSecurityBulletinMS14-046）fortheMicrosoft.NETFramework3.5.

ThisupdateappliestoWindows8,WindowsServer2012,Windows8.1,andWindowsServer2012R2.

Summary

Microsofthasreleasedupdate3005628forthe.NETFramework3.5onWindows8,WindowsServer2012,Windows8.1,andWindowsServer2012R2.

∙Individual,small-business,andorganizationalusersshouldusetheWindowsautomatic-updatingfeaturetoinstallthefixesfromMicrosoftUpdate.Todothis,seeGetsecurityupdatesautomatically.

∙ITprofessionalsshouldrefertothe"Downloadinformation"and"Command-lineswitchesforthisupdate"sections.

Symptoms

Afteryouinstallsecurityupdate2966827or2966828（describedinMicrosoftSecurityBulletinMS14-046）fortheMicrosoft.NETFramework3.5andthentrytoenabletheoptionalMicrosoft.NETFramework3.5featureinWindowsFeaturesforthefirsttime,thefeaturemaynotbeenabled.

Whenthisproblemoccurs,youmayreceiveanerrormessagethatresemblesoneofthefollowing.

Errorcode

Errormessages

0x800F0906

Thesourcefilescouldnotbedownloaded.

Usethe"source"optiontospecifythelocationofthefilesthatarerequiredtorestorethefeature.Formoreinformationonspecifyingasourcelocation,see

TheDISMlogfilecanbefoundatC:

\Windows\Logs\DISM\dism.log

Windowscouldn'tcompletetherequestedchanges.

Windowscouldn'tconnecttotheInternettodownloadnecessaryfiles.Makesurethatyou'reconnectedtotheInternet,andclick"Retry"totryagain.

Installationofoneormoreroles,roleservices,orfeaturesfailed.

Thesourcefilescouldnotbefound.Tryinstallingtheroles,roleservices,orfeaturesagaininanewAddRolesandFeaturesWizardsession,andontheConfirmationpageofthewizard,click"Specifyanalternatesourcepath"tospecifyavalidlocationofthesourcefilesthatarerequiredfortheinstallation.Thelocationmustbeaccessiblebythecomputeraccountofthedestinationserver.

0x800F0906-CBS_E_DOWNLOAD_FAILURE

0x800F081F

Thesourcefilescouldnotbefound.

Usethe"Source"optiontospecifythelocationofthefilesthatarerequiredtorestorethefeature.Formoreinformationonspecifyingasourcelocation,see

TheDISMlogfilecanbefoundatC:

\Windows\Logs\DISM\dism.log

0x800F081F-CBS_E_SOURCE_MISSING

Errorcode:

0x800F081F

Error:

0x800F081F

Cause

Securityupdates2966827and2966828（describedinMicrosoftSecurityBulletinMS14-046）forthe.NETFramework3.5requiremetadatathatisaddedtothesystemonlywhentheMicrosoft.NETFramework3.5featureisenabled.Updatesthatapplytothe.NETFramework3.5aremeanttobeinstalledonlyafterthe.NETFramework3.5featureisinstalled.ThisissueisalsodescribedinthefollowingMicrosoftKnowledgeBase:

3002547EnablingtheMicrosoft.NETFramework3.5optionalWindowsfeatureinWindows8,WindowsServer2012,Windows8.1,orWindowsServer2012R2mayfailafteryouinstallsecurityupdate2966827or2966828

Resolution

Toresolvethisissue,installupdate3005628.

Update3005628willremovesecurityupdate2966827or2966828fromanysystemthatdoesnothavethe.NETFramework3.5featurecontentinstalledandpresentinWindows8,WindowsServer2012,Windows8.1,andWindowsServer2012R2.Goingforward,securityupdates2966827and2966828willbeofferedonlytoapplicablesystemsthathavethe.NETFramework3.5featureenabled.

Customerswhohavesecurityupdate2966828predeployedtotheirsystembytheirdevicemanufacturerorwhohavethesecurityupdatepredeployedbytheirsystemadministratorbyusing"/StartComponentCleanup"and"/ResetBase"optionoftheDeploymentImageServicingandManagement（DISM）toolshouldinstallupdate3005628.Seethe"Downloadinformation"sectionforlinkstotheappropriateupdates.

Customerswhoreceiveandinstallupdate3005628fromMicrosoftUpdatechannelsdonothavetotakeanyadditionalaction.IndividualcustomersorITprofessionalswhodecidetorunupdate3005628manuallyorwithintheirmanagedenvironmentsshouldrefertothe"Downloadinformation"and"Command-lineswitchesforthisupdate"sectionsformoreinformation.

Downloadinformation

ThefollowingfilesareavailablefordownloadfromtheMicrosoftDownloadCenter.

Forallsupportedx86-basedsystems

DownloadtheNDPFixit-KB3005628-X86.exepackagenow.

Forallsupportedx64-basedsystems

DownloadtheNDPFixit-KB3005628-X64.exepackagenow.

CustomerswhoareawarethattheDISM"/StartComponentCleanup"and"/ResetBase"optionwasusedontheirsystemshoulddownloadandinstallthefollowingupdate:

Forallsupportedx86-basedsystems

DownloadtheWindows8.1-KB2966828-x86.msupackagenow.

Forallsupportedx64-basedsystems

DownloadtheWindows8.1-KB2966828-x64.msupackagenow.

Command-lineswitchesforthisupdate

Therearenocommandlineswitchesthatareapplicabletothisupdate.Theupdateexecutablemustberunbyusingelevatedadministrativecredentials.

Restartinformation

Thisupdatedoesnotrequireasystemrestartafteryouapplyitunlessfilesthatarebeingupdatedarelockedorarebeingused.

Moreinformation

Theinformationinthisarticleappliestothefollowing:

∙TheMicrosoft.NETFramework3.5onWindows8,WindowsServer2012,Windows8.1,andWindowsServer2012R2.

Securityupdatepatchbulletin.NETFrameworkforMS14-06KB2966827KB2966828KB3002547KB3005628enabling.NETFramework3.5

Properties

ArticleID:

3005628-LastReview:

04/23/201508:

27:

00-Revision:

2.2

Appliesto

∙Microsoft.NETFramework3.5

Keywords:

∙kbexpertiseinterkbinfokbsecadvisorykbsecuritykbsecvulnerabilitykbmsifixmekbfixmeKB3005628

Can’tInstallMicrosoft.NETFramework3.5inWindows8andLater

WeknowthatWindows8andlateroperatingsystemsdon'tcomewithMicrosoft.NETFramework3.5buttherearemany3rdpartysoftwareprogramswhichrequire.NETFramework3.5installedinWindows.Sopeopleuseonlineorofflinemethodstoinstall.NETFramework3.5inWindows8orlaterasgiveninfollowingtutorials:

oHowtoInstall.NETFramework3.5OfflineinWindows8andLaterwithoutInternetConnection?

oDownloadMicrosoft.NETFramework3.5OfflineInstallerforWindows8andLater

Butthereareafewpeoplewhohavefacedproblemswhileinstalling.NETFramework3.5.Whentheytrytoinstallit,theyreceiveerrormessagessuchasthesourcefilescouldnotbefoundordownloaded,etc.Theseerrormessagescontaindifferenterrorcodessuchas0x800F081For0x800F0906.

Tofixtheseproblems,wepostedatroubleshootingarticlewhichallowsyoutoinstall.NETFramework3.5inWindows8andlaterwithoutreceivinganyerrormessages:

o[Fix]0x800F0906/81FErrorsWhileInstalling.NETFramework3.5inWindows8andLater

Theabovementionedguidehelpedalotofpeopleandfixedtheerrormessagesbutstilltherewereafewpeoplewhowerenotabletoinstall.NETFramework3.5inWindows8andlater.ThenanAskVGreaderPatrikpostedadifferentsolutionwhichworkedforthosepeople.

Patrik:

IhavethreeSurfacePro3withWindowsPro8.1thathavethesameissue..NETFramework3.5willnotinstall.I'vetriedbothviaDISM,ProgramsandFeaturesandviafullinstallsetup.IhavetriedtouninstalleverysingleWindowsupdateonthemachineandtheninstallviaDISM,butthatdidn'thelpeither.IeventriedtoinstallallthreeKB-updates（KB2966826-8）toseeifIcanuninstallthemtogetridofpotentialdll-filesthatcouldbeinterferewiththe.Net3.5setup.SoIthendecidedtowipeitcleanviaWindowsownrestoresystemguide.Butitdidn'tevenworkafterIhavedoneacleanWindowsinstall.ImmediatelyafterWindowsinstalledItriedtoenablethe.NET3.5feature,andofcourseDISMdidn'tworkeither.IhavecalledMSsupporttogetsomeassistance,butIguesstheywillcallbackinafewdaysorso.Finally,Ihavesolvedtheissueaftermanyhours.Ifoundasettinginthelocalcomputerpolicy.

Todayinthisarticle,wearegoingtosharethesolutiongivenbyourreaderPatriksothatallWindows8andlateruserscaninstall.NETFramework3.5withoutanyproblem.

ThissolutionshouldworkforalldeviceswhetheritsaDesktopPC,laptoporSurfacetabletrunningonWindows8,Windows8.1orWindows10operatingsystems.

Ifyouarealsofacingproblemswhileinstalling.NETFramework3.5inWindows8orlater,checkoutfollowingmethodtofixtheissue:

1.Typegpedit.mscinRUNorStartsearchboxandpressEnter.It'llopenGroupPolicyEditor.

2.Nowgoto:

ComputerConfiguration->AdministrativeTemplates->System

3.Inright-sidepane,lookfor"Specifysettingsforoptionalcomponentinstallationandcomponentrepair"option.

4.TheoptionwouldbesettoNotConfigured.Double-clickonit,setittoEnabledandenable"ContactWindowsUpdatedirectlytodownloadrepaircontentinsteadofWindowsServerUpdateServices（WSUS）"option.

That'sit.Nowtrytoinstall.NETFramework3.5againusingControlPanel->ProgramsandFeaturesorbyusingDISMcommandandnowyou'llnotfaceanyproblem.

AttemptingtoInstall.NETFramework3.5onWindowsServer2012R2FailswithErrorCode0x800F0906or“thesourcefilescouldnotbedownloaded”,evenwhensupplyingsource

CharityShelbourne

Char