Error 0x80072EE7 — Activation Server Not Found

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 Settings → System → Activation
2. Click Troubleshoot (if available)
3. Click Change product key
4. Enter your key from KluczeSoft and click Next → Activate

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. File → Account → Change 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