How to Fix Microsoft Office Error Product Activation Failed 101 Error Guide

This article describes how to fix microsoft office error product activation failed 101 . Follow the steps given below to resolve the issue. The erorr generally occurs while installing, updating, or while opening the particular application.

Bookmark this page by pressing Ctrl+D on your system, so that you can revisit this page again if system restart is required.

Error Name:

Microsoft Office Error Product Activation Failed 101

Error Type:


Resolution Time:

~48 minutes

Data Loss:


Scope of Error:

Application Level


Microsoft office 2016, 2013, 365, 2010 and others


Microsoft Corporation

Views Today:




Operating System Information:

microsoft office error product activation failed 101 error messages can occur in any of the following Microsoft Windows operating systems:

    Windows 10

    Windows 8

    Windows 7

    Windows Vista

    Windows XP

    Windows ME

    Windows 2000

Affected Products:

    Microsoft Office 2016

    Microsoft office 365

    Microsoft office 2013

    Microsoft office 2010

    Microsoft Office 2007

    And others..

Symptom of error:

    Error message pops up "microsoft office error product activation failed 101"

    System Performance becomes slow/sluggish.

    Programs hangs from time to time.

Cause of Error:

Microsoft Office Error Product Activation Failed 101 can be caused due to various factors, it is important to pin point the exact error for permanent resolution.


The steps given below need to be followed under supervision of a Technical Expert. If you need any assistance while following the steps, you can contact our 24×7 Technical Support.

How to Fix Microsoft Office Error Product Activation Failed 101 Guide.

Step 1: Check System for Corruption:

Check System Integrity

1) Press Windows + R

2) Type "cmd" and Press Enter.

3) Type "sfc/scannow" and press enter.

Note: If you are logged in as Guest user you will be asked to login as Administrator.

Step 2: Update to latest Windows KB

1) To check for Windows Updates (Windows XP, Vista, 7, 8, and 10):

2) Click the Start button.

3) Type "update" into the search box and hit ENTER.

4) The Windows Update dialog box will appear.

5) If updates are available, click the Install Updates button.

Step 3: Clean up Junk Files

1) Click Start

2) Go to All Programs > Accessories > System Tools

3) Click Disk Cleanup

4) Choose what type of files and folders to delete at the Files to delete section

5) Click OK

6) To delete system files that are no longer needed, click Clean up system files.You may be prompted by UAC (User Account Control) to confirm the action.

7) Click Delete Files.

In most cases microsoft office error product activation failed 101 error should be resolved by now, if however the problem still persists please, get your system checked by an expert.

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Supported Products

Supported Microsoft Products


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