Fix Windows is not activated Error code 0x8007007b

While most people around the world are experiencing changes and features in the new Windows 10 edition, some are struggling to install the recent patch. Windows is not activated Error code 0x8007007b is serious trouble for the users causing annoyance while trying to conduct a clean installation using MCT (Media Creation Tool). The issue may also be a Product key related one i.e. happens when you attempt to activate with a non-genuine product key. Sometimes, defective system files in Windows 10 may also be another major cause of this bothersome issue.

Windows is not activated Error commonly appears with a message like “Error 0x8007007B The file name, directory name, or volume label syntax is incorrect”. Message clearly indicates that the computer is failed to connect the Activation Wizard to a Key Management Service (KMS) host computer. This is also very much likely that, you have used MSDN, TechNet, or MAPS volume installation media or entered a Multiple Activation Key (MAK). However, the error is not an irrecoverable one if you follow the detailed discussion in today’s write-up.

Methods list

1] Activate Windows by Phone
2] Run the Windows Software Licensing Management Tool
3] Use Slui 3 Command to activate Windows
4] Run the Activation Troubleshooter
5] Fix the corrupted Windows components using System File Checker
6] Contact Microsoft Team for Support

Windows is not activated Error code 0x8007007b

Here is how to fix Windows is not activated Error code 0x8007007b –

1] Activate Windows 10 by Phone

The best method to get rid of this trouble is to look for a probable alternative for the Windows activation. The easiest, as well as quickest one, is to call Microsoft and activate Windows using a phone call. However, you can also follow  – 3 Proven Ways to Activate Windows 10.

For that, follow the below steps –

Click the Start, type slui.exe 4, and then hit – Enter.

A pop will prompt telling you whether Phone Activation if available.

Select your – Country and Region.

Click – Next.

Now, you will notice a contact number (toll free); call Microsoft Product Activation Center using that and give the operator your Installation ID (IID).

You may have to answer the below questions –

• What product are you trying to activate?
• Have you previously activated the product?
• Do you have a product key?

Say “Yes” when asked if you need assistance.

A human Operator will be available helping you for activating Windows 10 on the computer.

2] Run the Windows Software Licensing Management Tool

Windows Software Licensing Management Tool is basically a script file located in C:/WindowsSystem32 folder named as Slmgr.vbs in order to configure licensing. The utility also enables you to check the License status once Windows 10 is installed on your machine.

To run this tool, you have to execute the slmgr.vbs command-line in the elevated Command Prompt. Here is the procedure to complete this workaround –

Click the Start and then type in – cmd.exe.

From the result pane select Run as Administrator.

Click the Yes after User account control will prompt.

Copy-paste the below command line tool and hit Enter –

slmgr.vbs /dlv

If you are able to see GVLK, it ensures that the product was activated through Volume licensing and you are a part of it.

Again, insert the following command –

slmgr.vbs –ipk XXXXX-XXXXX–XXXXX–XXXXX–XXXXX

Directive: replace the “X” with legitimate product code with a standard dash every after 5 characters. It will be a genuine 25 digit alphanumeric code.

Press the Enter to execute.

Later on, type the following command and press the Enter key –

slmgr.vbs

This command will activate your copy of Windows hopefully.

We recommend you to Restart the computer shortly.

3] Use Slui 3 Command to fix Windows is not activated Error code 0x8007007b

Subject to the above method is unable to repair “Windows is not activated Error code 0x8007007b”, you can attempt executing Slui 3 Command. To accomplish this process, follow the below steps –

Access elevated command prompt.

Type in the below command –

Slui 3

Press the – Enter.

In the next popup window, insert the 25 digit genuine product key.

Click the – Next.

Lastly, Click – Activate to finish.

4] Run the Activation Troubleshooter

0x8007007b might be resolved easily by running the Windows Update Troubleshooter as several users reported. The default utility helps in identifying as well as nailing the most common activation troubles. For activation the utility, follow the instructions –

Hold down the Win key and I together.

Click the – Update & Security.

Select – Troubleshoot from the left pane.

Click – Additional troubleshooters.

Find out – Windows Update.

Click it to expand.

Hit – Run the troubleshooter.

Wait for the process to be finished.

Reboot the PC and hopefully, the Windows is not activated Error 0x8007007b will be repaired.

5] Use System File Checker to solve Windows is not activated Error code 0x8007007b

Some cases suggest that you can still receive the Error code 0x8007007b in Windows 10 even after entering the genuine product key. The problem doesn’t lie in the key actually rather the system files may appear as buggy or corrupted. In order to mitigate this issue, the best utility available is System File Checker.

The default tool activates in elevated Command Prompt with sfc command and helps in resolving the corrupted components easily. To start, here are the instructions –

Again launch the elevated cmd command prompt as told in above methods.

Type in the below command –

SFC /Scannow

Press Enter to activate System File Checker.

Wait until the process ends and finally restart Windows 10 and make changes effective.

6] Contact Microsoft Team for Support

It’s quite unfortunate if no method discussed above can fix Windows is not activated Error code 0x8007007b issue. As of now, the best way out is to contact the Microsoft contact – Volume Licensing Activation Center. Inform them about the error code and the problems encountered in detail. Say to them to change your product key and activate the new one once received. Hopefully, you will be able to activate the Windows 10 easily.

Also, see – Fix Error 0xC004C003 Product Key Didn’t Work in Windows 10

That’s all!!!