Strange!  And prolly for the best to just rebuild.

--
Espi


On Fri, Aug 25, 2017 at 4:51 PM, Kurt Buff <[email protected]> wrote:

> The drive letter is mapped to a 2012R2 file server, fully patched.
>
> The client is Win10 1607, fully patched.
>
> Here's the very, very weird thing that just happened.
>
> The GPO error that I saw in the event log was for item-level targeting to
> put this machine into a WSUS group. I finally deleted and recreated the
> GPO, and was able to do 'gpupdate /force', and the error was gone, using my
> workstation administrator login to do the gpupdate.
>
> I sent the user an email, asking him to log in, make the SSL VPN
> connection, and do a 'gpupdate /force' - which he did.
>
> But, the command produced the same error he got earlier - on the recreated
> GPO!
>
> I'm pretty much done with this, so I've advised him that the next time
> he's in the office, he needs to save his data, wipe and reload the machine.
>
> Kurt
>
> On Fri, Aug 25, 2017 at 4:32 PM, Micheal Espinola Jr <
> [email protected]> wrote:
>
>> Sorry if I missed it, but what are the client and server OSs?
>>
>> --
>> Espi
>>
>>
>> On Thu, Aug 24, 2017 at 6:04 PM, Kurt Buff <[email protected]> wrote:
>>
>>> The plot sickens...
>>>
>>> After I updated a GPO to disable slow link detection, I ran a gpupdate
>>> /force on the users machine (over a teamviewer session), and am now
>>> getting the error and event ID shown below. I did some research
>>> suggesting that there might be an AD replication problem, but a quick
>>> analysis with adreplstatus shows no problems, so I'm thinking a
>>> possible corrupt GPO somewhere. I'll have to do some research to
>>> figure out which it might be.
>>>
>>> C:\temp>gpupdate /force
>>> Updating Policy...
>>>
>>> User Policy update has completed successfully.
>>> Computer policy could not be updated successfully. The following errors
>>> were enc
>>> ountered:
>>>
>>> The processing of Group Policy failed. Windows could not apply the
>>> registry-based policy settings for the Group Policy object
>>> LDAP://CN=Machine,cn={6ADA2CCE-5829-472C-BC68-1B2CEEEE2E5D},
>>> cn=policies,cn=system,DC=example,DC=com.
>>> Group Policy settings will not be resolved until this event is
>>> resolved. View the event details
>>> for more information on the file name and path that caused the failure.
>>>
>>> To diagnose the failure, review the event log or run GPRESULT /H
>>> GPReport.html from
>>> the command line to access information about Group Policy results.
>>>
>>>
>>> Log Name:      System
>>> Source:        Microsoft-Windows-GroupPolicy
>>> Date:          25/08/2017 10:32:42 AM
>>> Event ID:      1096
>>> Task Category: None
>>> Level:         Error
>>> Keywords:
>>> User:          SYSTEM
>>> Computer:      GBOTLEY1.example.com
>>> Description:
>>> The processing of Group Policy failed. Windows could not apply the
>>> registry-based policy settings for the Group Policy object
>>> LDAP://CN=Machine,cn={6ADA2CCE-5829-472C-BC68-1B2CEEEE2E5D},
>>> cn=policies,cn=system,DC=example,DC=com.
>>> Group Policy settings will not be resolved until this event is
>>> resolved. View the event details for more information on the file name
>>> and path that caused the failure.
>>> Event Xml:
>>> <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event";>
>>>   <System>
>>>     <Provider Name="Microsoft-Windows-GroupPolicy"
>>> Guid="{AEA1B4FA-97D1-45F2-A64C-4D69FFFD92C9}" />
>>>     <EventID>1096</EventID>
>>>     <Version>0</Version>
>>>     <Level>2</Level>
>>>     <Task>0</Task>
>>>     <Opcode>1</Opcode>
>>>     <Keywords>0x8000000000000000</Keywords>
>>>     <TimeCreated SystemTime="2017-08-25T00:32:42.831463400Z" />
>>>     <EventRecordID>858000</EventRecordID>
>>>     <Correlation ActivityID="{5D2DE826-983B-4914-A319-7076D07A641B}" />
>>>     <Execution ProcessID="1092" ThreadID="1804" />
>>>     <Channel>System</Channel>
>>>     <Computer>GBOTLEY1.example.com</Computer>
>>>     <Security UserID="S-1-5-18" />
>>>   </System>
>>>   <EventData>
>>>     <Data Name="SupportInfo1">2</Data>
>>>     <Data Name="SupportInfo2">1254</Data>
>>>     <Data Name="ProcessingMode">0</Data>
>>>     <Data Name="ProcessingTimeInMilliseconds">9562</Data>
>>>     <Data Name="ErrorCode">5</Data>
>>>     <Data Name="ErrorDescription">Access is denied. </Data>
>>>     <Data Name="DCName">\\zAUDC02p.example.com</Data>
>>>     <Data Name="GPOCNName">LDAP://CN=Machine,cn={6ADA2CCE-5829-472C-BC
>>> 68-1B2CEEEE2E5D},cn=policies,cn=system,DC=example,DC=com</Data>
>>>     <Data Name="FilePath">\\example.com\sysvol\example.com\Policies\{6
>>> ADA2CCE-5829-472C-BC68-1B2CEEEE2E5D}\Machine\registry.pol</Data>
>>>   </EventData>
>>> </Event>
>>>
>>> On Thu, Aug 24, 2017 at 12:22 AM, Micheal Espinola Jr
>>> <[email protected]> wrote:
>>> > You should be able to raise the threshold of slow link detection to
>>> > compensate.  If you dont allow ping to traverse, the link will always
>>> > register as slow.
>>> >
>>> > --
>>> > Espi
>>> >
>>> >
>>> > On Wed, Aug 23, 2017 at 7:21 PM, Kurt Buff <[email protected]>
>>> wrote:
>>> >>
>>> >> That's interesting. So, if it detects a slow link the GPO "unapplies",
>>> >> and the mapped drive stops working?
>>> >>
>>> >> I shall take a look at that.
>>> >>
>>> >> Kurt
>>> >>
>>> >> On Wed, Aug 23, 2017 at 3:57 PM, Joseph L. Casale
>>> >> <[email protected]> wrote:
>>> >> > Default behavior of slow link detection?
>>> >> >
>>> >> >> -----Original Message-----
>>> >> >> From: [email protected]
>>> >> >> [mailto:[email protected]] On Behalf Of Kurt Buff
>>> >> >> Sent: Wednesday, August 23, 2017 4:47 PM
>>> >> >> To: ntsysadm <[email protected]>
>>> >> >> Subject: [NTSysADM] Odd problem with GPO-mapped drives and SSL VPN
>>> >> >>
>>> >> >> I've got a user in the field out of our AU office.
>>> >> >>
>>> >> >> We have a SonicWall SSL VPN to which he connects.
>>> >> >>
>>> >> >> We map a drive for him to the DFS share (\\example.com\au\share)
>>> via
>>> >> >> GPO, but it doesn't work well while he's in the field.
>>> >> >>
>>> >> >> While in the field, if he opens a command prompt, and does a
>>> 'gpupdate
>>> >> >> /force', the drive mapping works for a while, then he says it
>>> >> >> disconnects after about an hour or so.
>>> >> >>
>>> >> >> When he's in the office, it's solid.
>>> >> >>
>>> >> >> While in the field, if he maps another drive letter to
>>> \\machine\share
>>> >> >> that works either in or out of the office.
>>> >> >>
>>> >> >> I've not seen anything in particular in the event logs that seems
>>> >> >> relevant, but I'm going to look again when he's free.
>>> >> >>
>>> >> >> Has anyone seen behavior like this, and can point me in the general
>>> >> >> direction of an answer?
>>> >> >>
>>> >> >> I understand that drive mappings via GPO over a VPN connection are
>>> >> >> problematic, because the GPO is applied at login, and before VPN
>>> >> >> connection is made, but the fact that it fails after a 'gpupdate
>>> >> >> /force' is truly weird.
>>> >> >>
>>> >> >> Kurt
>>> >> >>
>>> >> >
>>> >>
>>> >>
>>> >
>>>
>>>
>>>
>>
>

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