Can't start Peer Name Resolution Protocol

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  1. Posts : 149
    Windows 7 x64 RTM Retail
       #1

    Can't start Peer Name Resolution Protocol


    Being somewhat bored I began playing around with Homegroups. I delved into HG awhile back but never really got into it.

    To make a long story short I can't start the service 'Peer Name Resolution Protocol' which is required for HG.

    There are 3 Peer type services. One is started (Peer Networking Identity Manager). The other one (Peer Networking Grouping) is not because it depends on 'Peer Name Resolution Protocol.'

    Both Homegroup services are started and I have IPV6 enabled on my NIC and in the LAN properties. Also the last time I played around with HG it seemed I needed the MS Firewall service started which it is.

    The event log has this:

    'The Peer Name Resolution Protocol cloud did not start because the creation of the default identity failed with error code: 0x80630801.'

    Using the Event ID web search it leads me to this:

    Event ID 102 — PNRP Protocol

    I tried what they outlined (it's for Vista) but to no avail. I have no idea what the connection is between RSA and P2P.

    I do notice I have a lot of entries in "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys"

    So....... any ideas? Luckily this isn't a showstopper for me but like most of you here you want things to work the way they're supposed to.
      My Computer


  2. Posts : 149
    Windows 7 x64 RTM Retail
    Thread Starter
       #2

    Researched the problem and found the solution. A file was corrupted and deleting it got the PNRP service running. The file was recreated correctly when the PNRP service started up. Here's the file for future reference:

    "C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\PeerNetworking\idstore.sst"
      My Computer


  3. Posts : 1
    Windows 7
       #3

    worked for me as well


    excellent advice..solved my issue in 5 minutes after wasting 1.5 hours online with tech support. Thanks.
      My Computer


  4. Posts : 1
    Windows 7 x64
       #4

    I have the same problem after restoring an image of my system drive. It happened the 2nd time in 2 days. After restoring a system image, my homegroup is not working anymore. It doesn't work because some services failed to start (PNRP service, Peer Networking Grouping). When I try to start PNRP i get the following error in Event Log:

    Code:
    BODY{font:x-small 'Verdana';margin-right:1.5em} .c{cursor:hand} .b{color:red;font-family:'Courier New';font-weight:bold;text-decoration:none} .e{margin-left:1em;text-indent:-1em;margin-right:1em} .k{margin-left:1em;text-indent:-1em;margin-right:1em} .t{color:#990000} .xt{color:#990099} .ns{color:red} .dt{color:green} .m{color:blue} .tx{font-weight:bold} .db{text-indent:0px;margin-left:1em;margin-top:0px;margin-bottom:0px;padding-left:.3em;border-left:1px solid #CCCCCC;font:small Courier} .di{font:small Courier} .d{color:blue} .pi{color:blue} .cb{text-indent:0px;margin-left:1em;margin-top:0px;margin-bottom:0px;padding-left:.3em;font:small Courier;color:#888888} .ci{font:small Courier;color:#888888} PRE{margin:0px;display:inline} - <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
       - <System>
         <Provider Name="Service Control Manager" Guid="{555908d1-a6d7-4695-8e1e-26931d2012f4}" EventSourceName="Service Control Manager" /> 
    
        <EventID  Qualifiers="49152">7023</EventID> 
    
        <Version>0</Version> 
    
        <Level>2</Level> 
    
        <Task>0</Task> 
    
        <Opcode>0</Opcode> 
    
        <Keywords>0x8080000000000000</Keywords> 
    
        <TimeCreated SystemTime="2009-11-19T23:45:03.020137100Z" /> 
    
        <EventRecordID>6705</EventRecordID> 
    
        <Correlation />  
    
        <Execution ProcessID="716" ThreadID="2932" />  
    
        <Channel>System</Channel> 
    
        <Computer>MUSTANG</Computer> 
    
        <Security />  
    
       </System>
    
    
      - <EventData>
         <Data Name="param1">Peer Name Resolution Protocol</Data>  
    
        <Data Name="param2">%%10106</Data> 
    
       </EventData>
    
    
       </Event>
    I tried to delete C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\PeerNetworking\idstore.sst but it didn't help. I have an older image of my system drive which is working well, but everytime I create a newer one after restoring it my Homegroup stops working again. Any ideas?
      My Computer


  5. Posts : 1
    windows 7
       #5

    Great solution. Likewise, this solved my problem after wasting 2 hours of searching google.

    After deleting, idstore.sst, i tried to leave my homegroup but it still didn't work. Then i clicked troubleshoot homegroup and it displayed, problem found and fixed by "Homegroup needs to be refreshed." It refreshed and after that, tada! I was able to leave my homegroup.

    Thanks!
      My Computer


  6. Posts : 7
    Windows 7 Home Premium
       #6

    streetwolf said:
    Researched the problem and found the solution. A file was corrupted and deleting it got the PNRP service running. The file was recreated correctly when the PNRP service started up. Here's the file for future reference:

    "C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\PeerNetworking\idstore.sst"
    Worked for me as well. Thank for posting the solution.
      My Computer


  7. Posts : 5
    windows 7
       #7

    In my localservices folder is no Appdata folder, any idea where i can find the Idstore.sst then?
      My Computer


  8. Posts : 2
    Windows 7 64 Bit
       #8

    Amazing!


    I have been dealing with this for weeks! Glad I came across this post! It has also resolved my issue! Thanks for the help!
      My Computer


  9. Posts : 1
    Windows 7 Pro
       #9

    I'm still not working after hours and hours. Argh...

    Deleting "C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\PeerNetworking\idstore.sst" doesn't help and it doesn't seem to get recreated.

    These services won't start:
    Peer Name Resolution Protocol - Error 0x806320a1: 0x806320a1
    Peer Networking Grouping - won't start because above won't start
    PNRP Machine Name Publication Service - won't start because above won't start

    Running Troubleshoot Home group didn't refresh.

    I can't Leave the HomeGroup because windows couldn't remove your computer from the homegroup.

    I can't see any Windows XP Computers on Windows 7 computer because of this.

    Is there any source that has all the required steps and services needed to set up windows xp networking with windows 7?
      My Computer


  10. Posts : 1
    Windows 7
       #10

    Thanks so much!! I spent hours on the internet and was about to do a repair or a fresh install, and God knows I was not trying to do that! Yours worked! You are a magnificent genius!!! Hugs and smooches!

    streetwolf said:
    Being somewhat bored I began playing around with Homegroups. I delved into HG awhile back but never really got into it.

    To make a long story short I can't start the service 'Peer Name Resolution Protocol' which is required for HG.

    There are 3 Peer type services. One is started (Peer Networking Identity Manager). The other one (Peer Networking Grouping) is not because it depends on 'Peer Name Resolution Protocol.'

    Both Homegroup services are started and I have IPV6 enabled on my NIC and in the LAN properties. Also the last time I played around with HG it seemed I needed the MS Firewall service started which it is.

    The event log has this:

    'The Peer Name Resolution Protocol cloud did not start because the creation of the default identity failed with error code: 0x80630801.'

    Using the Event ID web search it leads me to this:

    Event ID 102 — PNRP Protocol

    I tried what they outlined (it's for Vista) but to no avail. I have no idea what the connection is between RSA and P2P.

    I do notice I have a lot of entries in "C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys"

    So....... any ideas? Luckily this isn't a showstopper for me but like most of you here you want things to work the way they're supposed to.
      My Computer


 
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