getting a error code 0x80072f8f while updating & activating windows 7 ultimate 32-bit

hi all,

i have downlaoded & installed windows 7 utlimate 32- bit on 2 my dell laptops. managed to install windows in both the system, but cnt activate or update windows on one of my systems. getting a error code 0x80072f8f.

tried to find about this errors on microsoft support website, none of the solutions provided helped in getting this issue resolved.

steps that i have already tried.

1. chkd correct local date & time setting in windows as well as in bios

2. added microsoft update websites in trusted sites.

3. downloaded & installed system update readiness tool for windows7 32 bit . log file for system update rediness detects no error.

4.unchecked server certificate revocation & checked use ssl 2.0 option.

5. downloaded current root certificate

6. registered windows.dll

regsvr32 softpub.dll /s

regsvr32 wintrust.dll /s

regsvr32 initpki.dll /s

regsvr32 mssip32.dll /s

7. while trying to synchronize with internet time server

got error " the peer is unresolved & synchronizing couldn't be completed"

8. Removed entries for windows update and microsoft update from host file.

9.removed proxy server entry form winhttp proxy sconfiguration.

can some one pls help me, as i have tried uninstalling & doing a clean install, even it didnt helped. thinking that this issues is coused because of inconsistencies in hdd as i had solaris installed on this system, did a debug & chkdsk on disk, on issues with hdd detected. no matter what all i have tried error msg always remains the same.

pls help.



Hi pranavjoshi,

How many copies of Windows did you downloaded?
I would first want to inform you that only one copy of Windows can be installed and activated on only one computer.


First, make sure that the Time and Date are correct on your PC. If not, correct the Time and Date.


If this did not resolve the issue, follow the methods listed below to fix the issue:

Method 1: Verify that your Internet connection is working

This method is rated: Moderately easy.

To complete this method, follow these steps:

1) Click Start, and then click Help and Support.
2) In the Search Help box or in the Search online Help box, type Troubleshoot network and Internet connection problems, and then click Search Help.
3) In the list of topics, click Troubleshoot network and Internet connection problems.
4) Click the link that best describes the problem that you are experiencing.
5) Follow the suggestions to troubleshoot the problem that you are experiencing.
6) When you are finished, follow the steps in method B to reactivate Windows 7.

If this method did not work for you, go to method 2.

Method 2: Activate Windows 7 by using the automated telephone system

This method is rated: Easy.

To complete this method, follow these steps:

1) Click Start , and then click Computer.
2) Click System properties on the toolbar, and then click Click here to activate Windows now in the Windows activation section.
3) If you are prompted for an administrator password or for confirmation, type your password, or click Continue.

4) Click Show me other ways to Activate.
5) Click Use the automated phone system, and then follow the instructions that are provided.

Method 3:

Reset your TCP/IP Stack

1) Click Start

2) Type in Search box  Command

3) Right click Command and select Run as Administrator

Enter these one at a time (or copy and paste) and hit enter after each

ipconfig /flushdns

nbtstat -R

nbtstat -RR

netsh int reset all

netsh int ip reset

netsh winsock reset

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Question Info

Last updated May 15, 2021 Views 176,821 Applies to: