How to Fix the Magento 503 Temporarily Unavailable Error

February 17, 2023 / General Discussion

When your server is functioning properly but is now unable to manage a request, it will return a 503 Temporarily Unavailable error as part of the HTTP response.

You might have to work your way through the suggestions we make in this post because there isn’t just one answer to this problem.

Let’s examine what Error 503 Temporarily Unavailable includes, why it occurs, and what options you may have for fixing it.

Why Does the Service Error Say It Is Temporarily Unavailable?

When you attempt to update your store or install a Magento 2 extension, a 503 Service Temporarily Unavailable issue frequently appears.

The following are the primary causes of this:

  • The server is busy.
  • The server is overloaded.
  • The request cannot be immediately handled by the server.
  • The server’s settings are incorrect.
  • The upkeep mode is on.

Here’s how to troubleshoot and resolve this problem.

How to Correct the Error “Service Temporarily Unavailable” in Magento 2

To resolve the 503 Magento 2 Service Temporarily Unavailable problem, take the following actions:

Get rid of the maintenance flag file

The actions below should be followed since extensions frequently produce a maintenance flag file that results in this error:

Remove the maintenance.flag file from the var folder by navigating to the Magento 2 root directory.

Run the command php bin/magento cache:flush to delete the Magento cache from the Admin panel

Please be aware that the “maintenance.flag” in Magento 1.X is different since the system automatically generates that file.

Switch on Developer Mode

Reload the website after removing the file.

A message stating that printing is disabled by default for safety reasons can appear.

To remedy this, authorize the developer mode.

If your website is still giving you trouble, look for any exceptions in the Magento error logs.

Simply execute the following command to activate the Developer mode:

php bin/magento deploy:mode:set developer

Update the database

It’s possible that you’ll encounter the notice “Please update your database” after removing the maintenance.flag.

Run the following command from the Magento root directory to resolve this:

  php bin/magento setup:upgrade


As a result of the server’s inability to reply to the request, the Error 503 Temporarily Unavailable occurs.

Use the procedures listed above to get out of this aggravating position.

The server problem could also be the result of the Magento 500 error.

Contact your Web hosting company if none of these work.

Read Also: A Guide to Magento and WordPress Integration

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