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Troubleshooting

Error 0x80072EE7 — Activation Server Not Found

How to fix activation error 0x80072EE7 (Activation server not found). Step-by-step instructions for Windows 10, Windows 11, Office 2019, Office 2021, Office 2024.

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Error 0x80072EE7: Activation Server Not Found

This error occurs in: Windows 10, Windows 11, Office 2019, Office 2021, Office 2024.

Cause

DNS cannot resolve the Microsoft activation server name. Lack of internet access or incorrect DNS configuration.

Symptoms

  • During activation, the message appears: "Activation server not found"
  • Error code: 0x80072EE7
  • English version: "The server name or address could not be resolved"

Step-by-Step Solution

Check your internet connection. Try pinging activation.sls.microsoft.com. Change your DNS servers to 8.8.8.8 and 8.8.4.4 (Google DNS). Try phone activation.

Method 1: Reactivation via Settings

  1. Open SettingsSystemActivation
  2. Click Troubleshoot (if available)
  3. Click Change product key
  4. Enter your key from KluczeSoft and click NextActivate

Method 2: Activation via Command Line

Open Command Prompt as administrator and enter:

slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
slmgr /ato

Replace XXXXX-... with your product key.

Method 3: Phone Activation

If online activation does not work:

slui 4

Call the displayed number and follow the instructions.

Solution for Office

  1. Open any Office application (Word, Excel)
  2. FileAccountChange product key
  3. Enter your key from KluczeSoft
  4. Click Activate

Or via command line:

cd "C:\Program Files\Microsoft Office\Office16"
cscript ospp.vbs /inpkey:XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
cscript ospp.vbs /act

Verification

After performing the steps, check if activation was successful:

  • Windows: Settings → System → Activation → should be "Windows is activated"
  • Or: slmgr /xpr in Command Prompt
  • Office: File → Account → Status: "Product activated"
  • Or: cscript ospp.vbs /dstatus

Still Not Working?

If the above steps did not help:

  1. Check date and time — they must be correct (incorrect date can block activation)
  2. Temporarily disable antivirus and try again
  3. Check internet connection — online activation requires a connection to Microsoft servers
  4. Contact us:
    • Email: [email protected]
    • Phone: 00 800 121 1654 (toll-free)
    • Help Centre: pomoc.kluczesoft.pl

Najczęściej zadawane pytania

The activation server was not found
Check your internet connection. Try pinging activation.sls.microsoft.com. Change your DNS servers to 8.8.8.8 and 8.8.4.4 (Google DNS). Try phone activation.
In most cases, no — the error can be resolved without a new key. If your key is blocked, contact us at [email protected].
Yes — type slui 4 in the command line and follow the phone instructions. You can also call us on 00 800 121 1654 for assistance.

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Error 0x80072EE7 — how to fix? Instructions [2025] | Help Center