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  1. Joined : Jan 2016
    Posts : 4
    win10 pro 64bits
       17 Jan 2016 #11

    MMellott said: View Post
    These 4 errors have plagued users for too long. Microsoft has been unresponsive to requests for resolution or they give an ineffective response as if this was a user error of some sort. I have spent quite some time tracking down a fix but since this is purely a Microsoft code issue so there is no true fix until Microsoft give us a patch update that address it. However, I found a relationship to these errors and a workaround to stop them from occurring. What I found is that these errors are to tied to OneSyncSvc. You will not find this in your services list but you will see it running in Task Manager. It is related to OneDrive. Disabling or uninstalling OneDrive will not resolve the errors but disabling OneSyncSvc will. For the first time ever, I now have an error event free system. Disabling OneSyncSvc has a few drawbacks but only if you use OneDrive or MS products that depend on this service to synchronize mail, contacts, calendar, and various other user data. If this is no issue for you proceed as follows.

    Open Task Manager / Services tab
    Right click on OneSyncSvc and select Stop
    Open Command Prompt as administrator
    Type the following at the prompt and then push enter. sc config "OneSyncSvc" start= disabled

    These errors will no longer be generated by the broken feature in Windows that Microsoft has yet to fix.

    I hope this helps.
    so i did that. I noticed my OneSyncSvc was already stopped, but i had another one running. The second one is named OneSyncSvc_4d8f4d . I tried to disable it through CMD but i couldnt. After entering the command line you suggested, i got a message error 87, saying the parameters were incorrect.
    The command line i entered was "sc config "OneSyncSvc_4d8f4d" start= disabled".
    Heres the message i recieved "[SC] ChangeServiceConfig2 (delayed autostart flag) FALHA 87:"
    falha=error, its in portuguese.
      My System SpecsSystem Spec


  2. Joined : Jan 2016
    Posts : 3
    Windows 10 Pro
       18 Jan 2016 #12

    xxicentury said: View Post
    so i did that. I noticed my OneSyncSvc was already stopped, but i had another one running. The second one is named OneSyncSvc_4d8f4d . I tried to disable it through CMD but i couldnt. After entering the command line you suggested, i got a message error 87, saying the parameters were incorrect.
    The command line i entered was "sc config "OneSyncSvc_4d8f4d" start= disabled".
    Heres the message i recieved "[SC] ChangeServiceConfig2 (delayed autostart flag) FALHA 87:"
    falha=error, its in portuguese.
    I made a second post regarding this and more shortly after the one you replied to. Please read and be careful.


    I had previously posted a workaround "fix" to the issue of 4 event errors regard Contact Data, Sync Host, User Data Access, and User Data Storage. Through numerous other posts I had learned that these are related to OneDrive and that making the OneSyncSvc disabled would stop the errors. This one service actually only stopped the Sync Host error. As it turns out the entire UnistackSvcGroup of services are responsible for the errors. Disabling all of these services will kill all of the errors. Unfortunately, for those users that use MS products that depend on these services I mentioned in my previous post, disabling the following services will be a problem for you. I do not use MS messaging, email, contacts, calendar or storage products so this is not an issue for me. I disabled OneSyncSvc through Command Prompt but found that not all of the other services in the UnistackSvcGroup can be disable this way because MS has embedded their tentacles too deeply into various applications. Even if these applications have been disabled, uninstalled, or not configured for use, the services of UnistackSvcGroup are still in play. Cutting these ties in regedit is the only way to workaround the errors issues. All my errors are now gone. The following is what I did to "fix" it. This can be undone anytime in regedit simply by changing the value data back to the number it was originally. I must tell you running regedit is a risk, especially you are deleting something, but in this case I only modified a registry entry. Proceed with caution.
    Run regedit
    Expand HKEY_LOCAL_MACHINE / SYSTEM / CurrentControlSet / Services menus
    Scroll down the list under Services in the left pane to find the following services
    MessagingService
    OneSyncSvc
    PimIndexMaintenanceSvc
    UnistoreSvc
    UserDataSvc
    Click once on the service to highlight it and show its content in the right window pane
    Double click the name Start in the left pane
    Change the Value data to 4 and then click OK in the window that pops up.
    Do this for each of the services above
    note: All of these services have multiple services with the same name followed by a string of several number and letters. Only change the Start value data in the services identified above, not the other ones with all the numbers and letters.
    Close regedit and restart your computer

    I had 2 warning events that were logged in the event viewer when I looked, after the system booted back up. However, those warnings have not since been logged again, after several reboots now. The 4 errors in question are now gone and my system is error and warning free for the first time since I loaded Windows 10.
      My System SpecsSystem Spec


  3. Joined : Jun 2015
    UK
    Posts : 1,324
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       25 Jan 2016 #13

    I decided to leave this alone until MS fixes it. I see there is a major W10 update tomorrow Windows 10 build 10586.71 update due this Tuesday ...... Let's hope this fixes the problem?
      My System SpecsSystem Spec


  4. Joined : Aug 2015
    Posts : 7
    Windows 10
       29 Jan 2016 #14

    Update didn't fix it
      My System SpecsSystem Spec


  5. Joined : Feb 2016
    Hungary
    Posts : 1
    Windows 10 | Debian GNU/Linux
       05 Feb 2016 #15

    borgus said: View Post
    sc stop "OneSyncSvc"
    sc config "OneSyncSvc" start= disabled
    It works, thanks!

    Click image for larger version. 

Name:	svc.png 
Views:	7 
Size:	65.2 KB 
ID:	62495
      My System SpecsSystem Spec


  6. Joined : Jul 2015
    Posts : 108
    Windows 10
       20 Feb 2016 #16

    Microsoft has acknowledged the issue. It has no obvious impact - at least not on this PC.
    https://support.microsoft.com/en-us/kb/3118867

    Remedies mentioned below, culled from various forums, do not solve it permanently...

    1. Change Bitlocker service to AUTOMATIC

    2. Change the START item in this registry key and the "3xxx" OneSyncSvc key below it to 4...
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\OneSyncSvc

    That is the same as running the following command, which will disable People, Calendar and Mail apps...
    sc stop "OneSyncSvc"
    sc config "OneSyncSvc" start= disabled

    3. In SETTINGS|PRIVACY|CONTACTS, turn off all toggles.

    Bottom line: ignore the error.
    Last edited by borgus; 06 Mar 2016 at 16:48.
      My System SpecsSystem Spec


  7. Joined : Mar 2016
    Posts : 4
    Windows 10
       06 Mar 2016 #17

    This worked perfectly... No more error msgs.. Thank You !!
      My System SpecsSystem Spec


  8. Joined : Jul 2015
    Posts : 108
    Windows 10
       06 Mar 2016 #18

    WHAT worked perfectly? If it was changing START to "4" in the OneSyncSvc registry entry, keep in mind that this has likely disabled several Store apps, as noted above. Here, reverting the change from "4" back to "2" resulted in more errors than initially seen. Best ignored, as suggested in the MS article.
    Last edited by borgus; 06 Mar 2016 at 16:56.
      My System SpecsSystem Spec


  9. Joined : Jul 2015
    SC
    Posts : 107
    Windows 10 Pro
       03 Jun 2016 #19

    @MMellot thanks for taking the time making the effort to construct a tip that is concise and easy to follow...I too do not use all those apps nor do I use the Store deal....a little of W10 goes a long way...I prefer to find apps on my own and much prefer ridding myself of those 'tentacles'
      My System SpecsSystem Spec


 
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