All-in-One WP Migration · Help

All-in-One WP Migration stuck at database 0 percent?

Distinguish a running import from a failed background request or a PHP error in a restored theme.

Source date: 5 November 2026Editorial team: KAN KAI WORKSEditorially updated:

Quick answer

Database progress at zero percent in All-in-One WP Migration proves neither that work has stopped nor that the database is corrupted. Inspect import logs, active requests and the first matching PHP error. An old theme under PHP 8 was involved in the original case, not a universal cause. Compare source and destination environments and preserve the target state before choosing a supported resume or reimport route.

Source basis: Q1 · Q2 · Q3

Applies to
All-in-One WP Migration restoration; changing an old theme helped in the reported PHP 8 transition. The same progress display can have other causes.
How to verify the result
The import finishes traceably, and login, sample content, media paths and settings work on the destination without the previously matched PHP failure.
Your first check

Is the import still working, or does its next request already fail with a PHP error?

Match import and PHP logs before restarting. The original case involved an old theme under PHP 8, rather than a demonstrated database-size problem.

After the upload, All-in-One WP Migration stays at 0 percent while restoring the database. The progress bar does not move, and the destination dashboard may also fail. In the reviewed incident, an old restored theme under PHP 8 was identified as the trigger, and changing the theme helped. That outcome cannot be applied to every stationary progress display. Q1

Establish the state before starting again

A static progress bar does not prove that the server has stopped working. Do not launch a second import in parallel or delete database tables speculatively. Record the start time, last visible stage and whether the public site and dashboard respond.

An import can replace destination content. Preserve a separate backup of the previous target and preferably work in an isolated restoration environment. Retain the source and the only original archive. Q3

Separate processing from failure

  1. Look for ongoing work: Compare the import log, current server requests and, where available, the host’s observation of the process. New progress records describe a different situation from a request repeatedly failing at the same point.
  2. Capture the first failed response: Inspect the next import request’s status and body in the network panel. A fatal error in the restored theme differs from a dropped connection or corrupted archive.
  3. Compare source and destination: Record actual PHP versions and theme and plugin releases. Combining migration with a PHP change alters several variables at once.
  4. Read the relevant PHP log: Find the first error at the import time. WordPress documents logging for test environments without publicly displaying errors. Visible error messages can contain sensitive paths and should be handled privately. Q2
  5. Test compatibility narrowly: If the stack trace names a particular theme, evaluate a compatible theme state on the restoration copy through the supported admin or hosting route. That is more targeted than assigning more memory without evidence.

Resume from a known state

Only choose the supported resume or fresh-import route after establishing whether the previous operation has ended and what remains on the destination. Avoid improvised database edits: a partially imported installation needs a traceable starting point.

After completion, verify login, sample posts, media paths and settings. For a store, also check the intended data date and external connections in a way appropriate to the test environment. Prevent a diagnostic copy from being mistaken for the live business system when reviewing those integrations.

Frequently asked questions

Does 0 percent mean the database is corrupted?

No. The display describes visible progress, not the cause. An early PHP failure can produce the same interface.

Should I terminate the process immediately?

First determine whether work continues and whether a safe starting point exists. An unplanned interruption can make the remaining state harder to interpret.

Is switching to any default theme enough?

It can be a controlled compatibility comparison on the copy. The intended design and its features still need to be restored appropriately afterward.

Information for assistance

Provide source and destination versions, last progress point, exact error and available backups. Do not publicly share credentials or complete database exports.

KAN KAI WORKS can investigate import progress, PHP compatibility and a controlled recovery route. Get help with this case.

Support with this issue

KAN KAI WORKS can investigate import progress, PHP compatibility and a controlled recovery route.

Describe your case →Related service: Data & improvements

Sources and scope

Sources checked: 5 November 2026. The original incident has not been independently reproduced.