How to Fix Diagnostics Policy Service Is Not Running Error [Internet Problem]

Internet was working fine on my laptop and on other portable devices, but when i tuned on my PC next day it was showing no internet access or limited connectivity on wireless icon in the Windows status bar. I was facing diagnostics policy service is not running error when i tried to diagnose the network problem and if you are facing the same problem on your Windows 7 or 8 computer then follow the steps below to fix this error.

See also: View Windows Start-up and Shutdown Time Log

Fix Diagnostics Policy Service Error

Before trying diagnostics utility i rebooted the network devices like modem and router but the internet wasn’t working on my PC. Then i used the same internet connection on another device and it was working fine on that device then i thought it seems something wrong with my Windows network settings and i performed the following steps to solve the problem, you should follow these steps to fix the problem.

  • Try to troubleshoot the problem using Windows built-in Network Diagnostics tool. Right-click on the limited connection network/WiFi icon in status bar and select “Troubleshoot Problems” from menu.
    No internet access Windows
  • Diagnostics tool will take some time to analyze Windows network settings and will show you the problem if found any and ask to fix that.
  • If you are getting error message like “The Diagnostics Policy Service Is Not Running“. Error clearly shows that the diagnostics service is not running and we need to run the diagnostics policy service and fix the problem.
    Error the diagnostics policy service is not running
  • Press shortcut Windows+Q keys or Press the Windows key from keyboard and then type cmd, this will search the Command Prompt. Right-Click on Command Prompt search result and select “Run as Administrator” option from the menu.
    run-command-prompt
  • In the Command Prompt Window you need to run the following two commands one by one
    net localgroup Administrators /add networkservice
    net localgroup Administrators /add localservice
    If command executed successfully then you will see success message as show below.
    add-to-localgroup
  • Type Exit and hit Enter to close the command prompt. Now, restart your computer to apply the changes.
  • Now, troubleshoot problem again see step-1 above, i hope your problem will be solved now and your can enjoy internet on your computer.

Check Diagnostic Policy Service Status

You can also check the diagnostic policy service status form the Windows Services utility.

  • Press Windows+R keys to open Run window, type services.msc and hit OK.
  • In the Services window scroll-down to find a service with the name “Diagnostic Policy Service”. Right-click on this and select Properties, here make sure this service is up and running as show below.
    running diagnostic policy service local computer

Share your experience below in comments and, If you still having same problem or any other related problem please reply below and we will happy to answer you questions.

53 comments… add one
Shailesh September 15, 2015, 1:19 am

After executing these steps also I am getting error as below

Windows could not start the diagnostic policy service on local computer.
error 5: access is denied

Ankit October 28, 2015, 11:29 pm

I am also facing the same problem. When I applied these fixes its works fine for some time and then it start the same problem…have you found the solution for the same

Ahmed December 19, 2015, 12:57 am

Run command prompt with Admin privileges..

BT July 4, 2016, 1:57 am

When I try and run the ‘net local group….”.. Under administrator , it says” the specified account name is already a member of the group”… I’m stumped

Ahmed July 11, 2016, 5:24 pm

Then reboot you computer and check diagnostic policy service status as mentioned above in the guide.

Aryan September 18, 2015, 5:47 pm

It’s not working…

Dhananjaya October 9, 2015, 10:21 am

Windows could not start the diagnostic policy service on local computer.
error 5: access is denied

Masoud March 18, 2016, 1:13 pm

How can I fix error5:access denied

Ahmed March 22, 2016, 5:41 pm

Please make sure you have admin rights and you run Command Prompt as an Administrator.

ally October 31, 2015, 6:36 am

It works now since using run as administrator. Thx

SJ December 10, 2015, 6:47 pm

It works fine now, thank you so much!

Marissa December 15, 2015, 7:57 pm

I tried all steps got the same messages but it is not working. I have windows 8

Dave December 16, 2015, 2:59 am

I did this solution a week ago but the problem has reoccurred and now this solution will no longer work. The first command completes successfully but after inputting the second command I get the error, *The specified local group does no exist.*

When I try to repeat the solution again the first command then fails with the error, *System error 1378 has occurred. The specified account name is already a member of that group.*

Peter December 19, 2015, 2:31 pm

no work for me please help, both ways are useless on my laptop 🙁

juan o December 20, 2015, 11:14 pm

Thanks, I apreciate your imagenes instructions. It works

Rachel December 21, 2015, 4:08 am

Woo-hoo! The first option worked for me! Thanks so much!

Amber January 11, 2016, 9:00 pm

Thank you so much worked perfect. Make sure you are on as the admin and restart your computer. I have windows 10

Krissy January 12, 2016, 1:06 am

Thankyou sooooo much it didn’t just solve my IE11 issues but problems i had with Microsoft edge so thank you once again_!!!

CLIFF DEMS January 19, 2016, 4:33 pm

I have tried several times but it’s still not working d’t know what else to do can someone help me ??

Sean H January 23, 2016, 1:01 am

I had the issue today on my wife’s pc. I was able to do the command prompt through the ‘all apps/windows system’ then right click, more, run as administrator. After that, I did the steps listed for the command prompt above. 1 restart later, the pc has internet again. Thanks so much for this.

Ben February 1, 2016, 9:47 am

I have also tried every step in here with no luck. I ran come as admin and got the response “account name already a member ” and when I tried to use services.msc I got therefore 5:access denied”. Anyone have any more help?

Mel February 2, 2016, 7:47 am

I’m having the same problem as Ben. I can’t get past the error 5: access denied. And I ran the commands as admin. Does anyone have any ideas about this problem? Everything worked fine yesterday and I haven’t changed or installed anything. I’m guessing this is due to a Windows update.

Edie February 14, 2016, 4:21 am

I followed instructions, restarted and Internet access was restored. Yay! BUT, when I opened Services, the Diagnostic Services Policy showed AUTOMATIC, but was not running. I tried to start it, but got a message saying it started then stopped. So, I’m wondering if something else is wrong.

Karen February 14, 2016, 9:59 pm

Thank you so much for your very clear instructions; they worked. Other places I looked were giving the same instructions, but not nearly as clearly. I am now a hero to my friend whose frustration level had reached hysteria.

Steve G. February 21, 2016, 5:42 am

This worked great! Thank you!

hassan ammar March 3, 2016, 12:49 pm

No success yet. Any other solution please?

Vinny March 4, 2016, 11:05 pm

When I hit the start button in the diagnostic policy service properties I receive the following message
Windows could not start Diagnostic Policy Services on local computer
Error 5: Access is denied

Kat March 10, 2016, 5:56 pm

Thank you, thank you, thank you! This worked for me!

Steve March 16, 2016, 10:16 am

Done all steps it shows diagnostics police stopped. When i hit start i get error 5 cannot run on local computer
Can you help me please

same problem with error 5. Any answers yet? April 4, 2016, 11:31 pm

Same error 5. Any answer on this one yet

asS April 22, 2016, 8:51 pm

when u done type the name of dmc,click run as administrator

Sadra April 21, 2016, 7:18 pm

At first it said access denied but when I run as administrator it worked tnx 🙂

apriljadec April 28, 2016, 3:42 am

Wow! Thank you! It really worked! God bless you, thanks for sharing your knowledge.

mohamed Atia April 28, 2016, 3:41 pm

Great solution
Appreciated,,,,,

Michael rodgers April 30, 2016, 7:11 am

anyone here with Microsoft?

Tammie April 30, 2016, 11:38 pm

This worked once I typed exactly! Didn’t leave the space between Administrator /
Now I just have to figure out how to get my firewall working again, but that will be another day. Working from an old XP was rough!

Varsha May 14, 2016, 5:25 pm

Thanks a lot…..problem got solved.

Luis May 18, 2016, 5:48 am

After i execute the first command it tells me “The specified local group does not exist.” So any help on what i should do under these circumstances??

Tiffany Hayes May 27, 2016, 12:37 am

Tried everything listed above as an administrator and still getting the error 5 everyone else is getting…

Anyone have any other idea?

This all started for me after an update from Windows… is that the case for all of you as well? Starting to think they did this on purpose… :/ :# :{

Syreeia Jones July 1, 2016, 3:01 pm

I dont know if you’re still experiencing the problem or not but mine did the same after a windows update. 🙁

Samuel Newton May 27, 2016, 10:00 pm

The fix worked perfectly. Thanks

Akeem Adesanya June 25, 2016, 2:59 pm

It didn’t work on my pc. I will try it again.

Michelle June 30, 2016, 1:26 am

Thanks so much! Fixed my problem. Fingers-crossed it does not happen again!

Lauden K July 5, 2016, 12:49 pm

After running all the command the service cant start still giving error 5, what else can be done

Ahmed July 11, 2016, 5:18 pm

See the reply to 2nd comment above it seems rights issue with you as well.

per July 27, 2016, 11:59 am

thanks… big helps for me…

fawwaz August 18, 2016, 7:03 pm

Amazing its working

Ernieb44 August 22, 2016, 8:30 pm

I have the problem on a freshly installed Windows 7 (SP1) machine.. even reinstalled the OS.
Machine was installed in a workgroup with (domain) DNS servers supplied via DHCP.

This must be somewhat of a security “feature” Microsoft has build.. i’m digging further to find te real cause.. Unless someone else can clarify the cause of the problem..

prateek August 22, 2016, 9:42 pm

This solution worked well for me.. just wondering why this happened? I was working on my computer and i left it idle for some time. When i came back.. pc was in power saving mode. I tried moving the mouse etc but it was just showing blank/ no display on monitor. I did hard reset after that i started facing this problem.. Anyways all fine now. Thankyou!

Sahid Ahmed August 24, 2016, 7:15 pm

It’s work in my pc… .. Thank you so much

Edwin Holladay September 8, 2016, 2:09 am

Your steps worked like a charm! Thank you so much for these steps.

Phil September 10, 2016, 5:59 pm

Thanks so much 🙂

Pruthwiraj Ansuman September 20, 2016, 11:29 am

It worked. Thank you so much. 🙂

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