I need to install RSAT-NPAS Admin tools on Server 2012 Std, but it's throwing error: 0x80073701, please help.

Question

Powershell output (and this is the same with servermanager installs for the admin tools)...
Windows PowerShell
Copyright (C) 2012 Microsoft Corporation. All rights reserved.
PS C:\Users\Administrator.domainacctxxx> Install-WindowsFeature –name RSAT-NPAS
Install-WindowsFeature : The request to add or remove features on the specified server failed.
Installation of one or more roles, role services, or features failed.
The referenced assembly could not be found. Error: 0x80073701
At line:1 char:1
+ Install-WindowsFeature –name RSAT-NPAS
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (@{Vhd=; Credent...Name=localhost}:PSObject) [Install-WindowsFeature],
    Exception
    + FullyQualifiedErrorId : DISMAPI_Error__Failed_To_Enable_Updates,Microsoft.Windows.ServerManager.Commands.AddWind
   owsFeatureCommand
Success Restart Needed Exit Code      Feature Result
False   No             Failed         {}
I found this in CBS.log - how do i fix it?:
2014-11-14 19:09:15, Info                  CBS    Exec: Resolving Package: Microsoft-Windows-HealthCertificateServer-UI-Package~31bf3856ad364e35~amd64~ko-KR~6.2.9200.16384, Update: HCSUI
2014-11-14 19:09:15, Info                  CBS    Exec: Resolving component from existing package; passing NULL manifest path to PinDeployment and hoping things haven't been scavenged.
2014-11-14 19:09:15, Info                  CBS    Exec: Resolving Package: Microsoft-Windows-HealthCertificateServer-UI-Package~31bf3856ad364e35~amd64~ko-KR~6.2.9200.16384, Update: HCSUI, PinDeployment:
amd64_microsoft-windows-n..oyment-languagepack_31bf3856ad364e35_6.2.9200.16384_ko-kr_bbd94c8cf907ec26
2014-11-14 19:09:15, Info                  CBS    Exec: 1 deployments need bulk staging
2014-11-14 19:09:15, Error                 CSI    000003b2@2014/11/15:01:09:15.293 (F) base\wcp\componentstore\csd_locking.cpp(216): Error STATUS_SXS_ASSEMBLY_MISSING originated in function CCSDirectTransaction::LockComponent
expression: (null)
[gle=0x80004005]
2014-11-14 19:09:15, Info                  CBS    Added C:\Windows\Logs\CBS\CBS.log to WER report.
2014-11-14 19:09:15, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141115005933.log to WER report.
2014-11-14 19:09:15, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114234655.log to WER report.
2014-11-14 19:09:15, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114231138.log to WER report.
2014-11-14 19:09:15, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114183412.log to WER report.
2014-11-14 19:09:15, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114102449.log to WER report.
2014-11-14 19:09:15, Info                  CBS    Not able to add pending.xml.bad to Windows Error Report. [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2014-11-14 19:12:11, Error                 CSI    000003b3 (F) STATUS_SXS_ASSEMBLY_MISSING #2462361# from CCSDirectTransaction::OperateEnding at index 0 of 1 operations, disposition 2[gle=0xd015000c]
2014-11-14 19:12:11, Error                 CSI    000003b4 (F) HRESULT_FROM_WIN32(ERROR_SXS_ASSEMBLY_MISSING) #2462247# from Windows::ServicingAPI::CCSITransaction::ICSITransaction_PinDeployment(Flags = 0, a
= Microsoft-Windows-Networking-HCSConfigUI-Deployment-LanguagePack, Version = 6.2.9200.16384, pA = PROCESSOR_ARCHITECTURE_AMD64 (9), Culture = [l:10{5}]"ko-KR", VersionScope = 1 nonSxS, PublicKeyToken = {l:8 b:31bf3856ad364e35}, Type neutral, TypeName
neutral, PublicKey neutral, cb = (null), s = (null), rid = [102]"Microsoft-Windows-HealthCertificateServer-UI-Package~31bf3856ad364e35~amd64~ko-KR~6.2.9200.16384.HCSUI", rah = (null), manpath = (null), catpath = (null), ed = 0, disp = 0)[gle=0x80073701]
2014-11-14 19:12:11, Info                  CBS    Failed to pin deployment while resolving Update: Microsoft-Windows-HealthCertificateServer-UI-Package~31bf3856ad364e35~amd64~ko-KR~6.2.9200.16384.HCSUI
from file: (null) [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]
2014-11-14 19:12:11, Info                  CBS    Failed to bulk stage deployment manifest and pin deployment for package:Microsoft-Windows-HealthCertificateServer-UI-Package~31bf3856ad364e35~amd64~ko-KR~6.2.9200.16384
[HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]
2014-11-14 19:12:11, Info                  CSI    000003b5@2014/11/15:01:12:11.926 CSI Transaction @0x33a9f4aa10 destroyed
2014-11-14 19:12:11, Info                  CBS    Perf: Resolve chain complete.
2014-11-14 19:12:11, Info                  CBS    Failed to resolve execution chain. [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]
2014-11-14 19:12:11, Error                 CBS    Failed to process single phase execution. [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]
2014-11-14 19:12:11, Info                  CBS    WER: Generating failure report for package: Microsoft-Windows-ServerCore-Package~31bf3856ad364e35~amd64~~6.2.9200.16384, status: 0x80073701, failure source:
Resolve, start state: Installed, target state: Installed, client id: DISM Package Manager Provider
2014-11-14 19:12:11, Info                  CBS    Not able to query DisableWerReporting flag.  Assuming not set... [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND]
2014-11-14 19:12:11, Info                  CBS    Added C:\Windows\Logs\CBS\CBS.log to WER report.
2014-11-14 19:12:11, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141115005933.log to WER report.
2014-11-14 19:12:11, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114234655.log to WER report.
2014-11-14 19:12:11, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114231138.log to WER report.
2014-11-14 19:12:11, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114183412.log to WER report.
2014-11-14 19:12:11, Info                  CBS    Added C:\Windows\Logs\CBS\CbsPersist_20141114102449.log to WER report.

Answer 1

Hi Jeff,
I check the cbs.log you posted, and found the packages with KO-KR in the name fail to depoly, which indicated the installer was looking for Korean language pack files.
Solution: A quick trip to Control Panel-Clock, Language and Region-Add a Language and we could select and then install the Korean language.  Tip: double click on the language when it's added to the list to auto-download
from Microsoft. 
Refer to:
Windows Server 2012 - Roles, Features and 0x80073701
If there is anything else regarding this issue, please feel free to post back.
Best Regards,
Anna Wang