Windows & BSOD · medium

How to fix0x8007007B

Windows activation error 0x8007007B

What this error means

Windows activation error 0x8007007B is a medium-severity Windows operating system issue. The filename, directory name, or volume label syntax is incorrect during activation. Reports of Windows activation error 0x8007007B usually describe a sudden crash, brief unresponsiveness, or a stop-code screen appearing out of nowhere. Typical causes include invalid KMS server and DNS resolution for KMS failed. The steps below are ordered to resolve this efficiently.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 2 complete
01Change product key

Change product key.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Connect to corporate network for KMS

Connect to corporate network for KMS.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

I need help

Possible causes

  • Invalid KMS server
  • DNS resolution for KMS failed