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Windows 7: Failed to connect to a windows service

28 Sep 2012   #1

Windows 7 Ultimate x64
 
 
Failed to connect to a windows service

I have an error when I start my computer ... a message appear in the corner : " Windows cannot connect to the Group policy private client service. This problem prevents standard users from logging on to the system ... " I have a picture down you can see there more about this message error . In this case how i can fix this error ? Please tell me the easy way not the hard way I mean I don't know to enter in system and make manually changes there especially in registries. Please if you know only the hard way I accept but ... BUT please be sure that will repair my error up mentioned.



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My System SpecsSystem Spec
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17 Feb 2013   #2
PLX

Windows 7 64 bit
 
 

I FOUND SOLUTION TO THIS PROBLEM!
The crash of your computer during Windows Updates has caused that !
I had this issue on my laptop since November, and it really bugged me. I sifted through the event log and found the pattern of events that preceded the issue, and, probably, caused it.

In short, the pattern is as follows: Windows updates run automatically as scheduled, and when reboot is initiated after the updates are finished, the computer crashes (probably during reboot sequence). When it boots up, it reports that the last shutdown was unexpected, and the issue begins to occur.

I spent 2 days trying to dig out a solution from the Internet, to no avail, until I came across this page. It doesn't say anything about this particular problem, but it gives more information about SVCHOST process that starts many services, including Group Policy Client. It looks like during reboot a vital registry settings were lost during crash and Group Policy Client "don't know" how to start. Let me explain:

There are two places to look in the registry:
  1. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services this path should contain gpsvc key (a folder), which is responsible for service parameters and configuration. I found that the key was intact, so, you do not touch anything here - just check that the key exists.
  2. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SVCHOST This is the most important path you should look into, as it must contain the keys and values referred in the key #1. Below are descriptions what must be present there.
  • There must be Multi-String value called GPSvcGroup. My laptop was missing it. So, you should create multi-string value named GPSvcGroup and assign it value GPSvc.
  • Next, you must create a key (a folder) and name it GPSvcGroup - this key normally should be there, but, again, it was missin on my laptop.
  • Then open newly-created GPSvcGroup folder and create 2 DWORD values:
  1. First called AuthenticationCapabilities and you must give it a value of 0x00003020 (or 12320 in decimal)
  2. Second is called CoInitializeSecurityParam and it must have value of 1.
Once you complete all steps above, reboot the computer and the problem will be fixed.
Video walkthrough for those who are not very technical is here: "Windows cannot connect to Group Policy Client services" how to fix. - YouTube
I am so relieved I was able to fix it, and hope this will help others with the similar issue.
My System SpecsSystem Spec
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