[SOLVED] Install Windows Defender on Server 2016

T

Thomas VDB

Member
Joined
Mar 29, 2022
Posts
6
Hi,

I am migrating from Panda Anti-virus to Defender for Endpoint on Windows Server 2016.
so the defender-role had been uninstalled in the past, and now needs to be reinstalled.
I am getting the dreadfull error : The referenced assembly could not be found. Error: 0x80073701

What I have checked :
- According to me, there are no additional language packs installed. (Only english is present)
- SFC / scannow doesn't find anything.
- dism.log doesn't mention any KB.

Do you have some advice? Thx!
 
Could you please provide the CBS log? It should be available in the following directory:

Code: 
%systemroot%\Logs\CBS
 
Rich (BB code): 
2022-03-29 15:47:28, Error                 CSI    00000007 (F) STATUS_SXS_ASSEMBLY_MISSING #9162# from CCSDirectTransaction::OperateEnding at index 0 of 1 operations, disposition 2[gle=0xd015000c]
2022-03-29 15:47:28, Error                 CSI    00000008 (F) HRESULT_FROM_WIN32(ERROR_SXS_ASSEMBLY_MISSING) #9010# from Windows::ServicingAPI::CCSITransaction::ICSITransaction_PinDeployment(Flags = 0, a = a3d874599429ecb6a05e964bc86e8ace, version 10.0.14393.2999, arch amd64, nonSxS, pkt {l:8 b:31bf3856ad364e35}, cb = (null), s = (null), rid = 'Package_7261_for_KB4534271~31bf3856ad364e35~amd64~~10.0.1.7.4534271-14337_neutral', rah = '2', manpath = (null), catpath = (null), ed = 0, disp = 0)[gle=0x80073701]
2022-03-29 15:47:28, Info                  CBS    Failed to pin deployment while resolving Update: Package_7261_for_KB4534271~31bf3856ad364e35~amd64~~10.0.1.7.4534271-14337_neutral from file: (null) [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]
2022-03-29 15:47:28, Info                  CBS    Failed to bulk stage deployment manifest and pin deployment for package:Package_617_for_KB5011495~31bf3856ad364e35~amd64~~10.0.1.5 [HRESULT = 0x80073701 - ERROR_SXS_ASSEMBLY_MISSING]

Remove Update Manually
1. Click on the Start button and in the search box, type Command Prompt
2. When you see Command Prompt on the list, right-click on it and select Run as administrator
3. When command prompt opens, copy and paste the following command into it, and press Enter
wusa /uninstall /KB:4534271

4. Let me know if it says it was successful or if there are any errors.
 
FRST Registry Search
1. Click your Start button and type in cmd.
2.After you find the Command Prompt, right click on it and select Run as Administrator.
3. Copy and paste the following into the Command Prompt:
reg load HKLM\COMPONENTS C:\WINDOWS\SYSTEM32\CONFIG\COMPONENTS
4. Please download Farbar Recovery Scan Tool and save it to your Desktop.
Note: You need to run the 64-bit Version so please ensure you download that one.
5. Run FRST64 by Right-Clicking on the file and choosing Run as administrator.
6. Copy and paste KB4534271 into the Search box and click the Search Registry button.
7. When the scan is complete a notepad window will open with the results. Please attach this to your next reply. It is saved on your desktop named SearchReg.txt.
 
Step#1 - FRST Fix
NOTICE: This script was written specifically for this user, for use on that particular machine. Running this on another machine may cause damage to your operating system
1. Please download Farbar Recovery Scan Tool and save it to your Desktop.
Note: You need to run the 64-bit Version so please ensure you download that one.
2. Download the attached fixlist.txt and save it to the Desktop.
Note. It's important that both files, FRST64 and fixlist.txt are in the same location or the fix will not work (in this case...the desktop).
3. Run FRST64 by Right-Clicking on the file and choosing Run as administrator.
4. Press the Fix button just once and wait. If for some reason the tool needs a restart, please make sure you let the system restart normally. After that let the tool complete its run.
5. When finished FRST64 will generate a log on the Desktop (Fixlog.txt). Please post the contents of it in your reply.
 

Attachments

Okay, could you please run the following command from a command prompt window:

Code: 
DISM /Online /Cleanup-Image /RestoreHealth

If it fails, then please provide the latest CBS log, otherwise please attempt to install role you were trying before.
 
Worked like a charm. I was able to install the defender-role succesfully.
All I need now is a restart, that I will do this evening.

Thank you very much for your help! Many many thx!
 
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