Solve Google Workspace Migration Failure With Expert Insights

Google Workspace Migration Failure Resolved Via Smart Fixes

Published By Siddharth Sharma
Anuraag Singh
Approved By Anuraag Singh
Published On October 3rd, 2023
Reading Time 6 Minutes Reading
Category General

As Google continues to improve its business productivity apps, many young entrepreneurs look to move their data and try out the cloud-based platform for themselves. However, while shifting they might face a Google Workspace migration failure without warning. These problems are accompanied by some error codes that confuse newly appointed admins. Moreover, the main cause of these errors is the inbuilt limitations of the default migration tool that Google itself provides. Therefore, we compile all the different problems that users may witness and give a sure-shot remedy as well so let’s start with the error codes first.

Error Codes that Indicate the Google Migration tool is Not Working

Error Code: 429 

Name: Too Many Requests 

Cause: Occurs when the migration tool is overwhelmed with numerous requests.

Fix: Identify resource-intensive requests and remove them if necessary. Contact the support team to adjust the service limit.

Error Code: 410 

Name: Gone 

Cause: Signifies a transient level Google Workspace migration failure.

Fix: Initiate a new delta migration and seek assistance from the Google Workspace Support team.

Error Code: 409 

Name: Conflict 

Cause: Indicates that the Google Workspace migration tool cannot resolve a conflict with the source account.

Fix – To perform email migration, create a label in the target account. Locate the email folder in the source account, label it correctly, and rename it.

Error Code: 403 

Name: Forbidden 

Cause: Triggers when Gmail or Drive services are disabled in the Google Admin Console.

Fix: Enable necessary services like Gmail and Drive, and consider increasing the quota in Google Cloud Console.

Error Code: 401

Name: Unauthorized 

Cause: Arises when the Google Workspace Migration tool lacks essential permissions for source and destination accounts.

Fix: Ensure the user possesses impersonation rights and verify the accuracy of assigned credentials. Contact the administrator to grant impersonation rights.

Error Code: 400 

Name: Bad Request 

Cause: Occurs when issues exist in the source account, causing the migration job to fail.

Fix: Identify affected files in the source environment, remove them manually, and then start the migration job again.

Eliminate Google Workspace Migration Failure by Using A Professional Alternative

The only solution that you would ever need is the state-of-the-art Office to G Suite Migration tool. With a simplified UI, this utility is designed to make even the most complex migrations easy and efficient. So try out the tool and witness the difference for yourself.

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Easy steps to use the tool are 

Step 1. Download the utility on your machine and pick the Source and destination.

enter source and destination users

Step 2. Make the Workload Selection and Apply the Date Filter.

Apply Filters

Step 3. Perform source and target Validation.

Office 365 as destination

Step 4. Create a user mapping.


Step 5. Preview, validate users, and Start Migration.

Begin Migration

Real Scenarios that Indicate the Superiority of Automated Software

Here we highlight how the advanced feature set of the utility gives real-life benefits to users across industries.

Slow Data Transfer Speed

User Query: “I was recently hired as the technical head of the local hospital. With this new role came an additional responsibility to lead a complex data transfer project. The native method to shift the data was too slow, and we cannot risk the patient’s well-being for such a long time. Which led us to look for better alternatives that can skip over the Google Workspace migration failure present in the market.”

Solution:  “During my previous experience, we utilized a well-renowned product for a similar data transfer. As a result, we got it, and like previously, the tool did not disappoint. It quickly transferred all the data to the desired location in record time.”

Data Mapping Challenges

User Query: ”I, as an admin of a financial institution, was given the task to shift our data to Google Workspace. At first, my plan was to involve the default migration solution that Google provides for free. Moreover, I thought this would end up saving migration costs, but I made a hasty prediction. This is because the tool took up a lot of unnecessary time due to the many mapping errors.”

Solution: After asking experts for their opinions on a better solution, all of them recommended a professional tool. The reason is that the tool has multiple custom mapping options. Therefore, once we brought the tool, the result was a successful migration with no data loss.”

Best Practices to Overcome Google Workspace Migration Limitations

  • Make sure no other program has access to the source when the migration is in progress.
  • Validate and sign all TLS certifications before starting with the migration.
  • Complete OAuth verification for the app on your local machine.
  • Disable antivirus and other hurdles that may stop the app.


In this blog post, we covered everything related to Google Workspace migration failure that a user needs to know. Not only did we cover the most common error codes that users may face we also gave some best practices to avoid the issues. Moreover to get a complete error-free data transfer users can go for the professional utility.

Top 5 Frequently Asked Questions About Google Workspace Migration Failure

Q1. “Why are some of my emails missing after migrating?”

Common Causes: This issue can result from data mapping errors, data corruption during migration, or issues with email filters not properly transferring. It may also occur if the user goes for the manual migrator, which often fails to capture all email folders. To overcome this issue, the user can very well go for the advanced utility explained above.

Q2. “I can’t access my files in Google Drive after migration. What should I do?”

Common Causes: Access issues often stem from authentication discrepancies or incorrect sharing settings on Google Drive files. Sometimes, the migration process might not correctly transfer permissions. Here, the admin may have to re-assign permissions manually.

Q3. “Why are my calendar events showing up at the wrong times after switching?”

Common Causes: Time zone differences between the source and destination platforms, as well as data format inconsistencies, can lead to calendar events displaying inaccurately. Another reason for this Google Workspace Migration Failure is when the original message is not compliant with the RFC 5322 standard.

Q4. “My contacts list looks incomplete after migrating. How can I recover missing contacts?”

Common Causes: Missing contacts may result from data mapping errors, data corruption, or issues with the migration tool not correctly transferring contact details.

Q5. “I’m experiencing slow performance on my new platform. What could be causing this?”

Common Causes: Slow performance can be due to data volume exceeding the new platform’s capabilities, inadequate bandwidth, or issues with third-party applications integrated into the new platform.