Windows Networking





The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.

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Primary desktop has Windows version 10.0.17763 Build 17763. Laptop on my LAN is version 10.0.17134. On each system, I have gone into "Advanced Sharing" and given complete access to both my C: and D: drives to "Everyone". However, on the laptop, within File Explorer, when I click on Network, I can see both PETER-DESKTOP and PETER-LENOVO. On the desktop, I see only PETER-DESKTOP. My suspicion is that this has to do with the different versions. I found, on the Laptop that I needed to log into PETER-DESKTOP using my Microsoft credentials rather than my local ones.

Should I move to a "local" access and away from OneDrive, etc.?

I want to be safe and protected against outside penetration, but I need to have complete and easy access among the three systems on my LAN (the third is also at version 10.0.17134.
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We are trying to identify some workgroup computer which the user did not put the name of the workgroup correctly.  

Is there a way to identify the IP of the computer?
Dear Experts, which ports do we need to open in an Exchange servers?

Attachment is the results of "netstat -aon" commands in our servers. Can you check and suggest some abnormal ports?

Many thanks in advance!
Dear Sir,

I am writing a script to ping multiple computer (hostname) at Dos prompt. A text file which contains multiple hostname. I would like to redirect the result to a text file and named using date and time.

Please advise. Thank you.

With regards,
Is there any monitoring tool for sql server that capture and analyze system resource utilization?
I have a peer-to-peer set of networks (coupled subnets) where I need to maintain a hosts file for the entire set.  
In view of changes, the hosts file gets out of date.

My original build of the file was a bit awkward and went something like this:
1) Run SoftPerfect Network Scanner
2) Export a list and edit as necessary
3) Paste the resulting list into the hosts file.

Now, I can imagine two kinds of processes:
1) Open loop where the network lists are generated brand new each time.
2) Interactive where the network lists are updated: missing hosts removed and new hosts added.

Either way, I'd like it to be a bit more automated if possible.
I figure some Experts would have approaches that they like to use for this sort of thing.
So, looking for ideas.
This may be tough to explain in a way that makes sense, but I figured I would try.
In our business system, which we access by way of a Citrix connection to the Citrix server it runs on,  we have a linked files section on a customer order screen  that is basically a library of links to different documents pertaining to a customer order.  

From that order screen you can click the link and the document will open in it's native program on the CItrix server( if that native program exists on the Citrix Server, of course.)

The document links are UNC paths and can go out to different servers.  So for example they could look like


Quite often our finance folks need to email a copy of, say, the invoice.   Because we use Office365, we do not have Office apps on the Citrix servers they need to attach this lnked file to Outlook 2016 running on their local machine, typically a laptop.

So what they do is COPY the link above and then inside of Outlook:
Create a new mail message
Click 'Attach File'
Click 'Browse this PC'
Then, in the 'Insert File' dialog box, they paste the copied link in the 'File Name' field and press 'open'

Then, after 20-30 seconds, the attachment will finally appear in Outlook.  Yes, the perfect storm of bad design but it is what we are stuck with.... so I am looking for any tips at all that would drop that…
What is the best way to segment several workstations?
Simply put...I'd like to take 2-3 workstations (Secret) and set them in their own subnet (ex. 10.10.1.###) while the rest of the workstations (Agency) remain on the subnet (ex. 192.168.1.###).  
How would I grant Secret subnet access to network resources, dir shares, etc.?

Thanks in advance
Windows clients not getting connected or reporting to WSUS server 2012 R2. WSUS is joined to WORKGROUP domain.

Here are error logs:

{0DE1CFE2-97BE-44AF-87BE-6A5C457F9D89}      2019-03-14 18:01:03:326-0500      1      148      101      {D67661EB-2423-451D-BF5D-13199E37DF28}      1      80072ee2      SelfUpdate      Failure      Software Synchronization      Windows Update Client failed to detect with error 0x80072ee2.
{CEA051CF-6370-4411-89AE-81959777DA62}      2019-03-14 23:01:24:431-0500      1      148      101      {D67661EB-2423-451D-BF5D-13199E37DF28}      1      80072ee2      SelfUpdate      Failure      Software Synchronization      Windows Update Client failed to detect with error 0x80072ee2.
{E776C2F4-05DA-4974-9D14-0B5C4B18F8EC}      2019-03-15 04:01:45:614-0500      1      148      101      {D67661EB-2423-451D-BF5D-13199E37DF28}      1      80072ee2      SelfUpdate      Failure      Software Synchronization      Windows Update Client failed to detect with error 0x80072ee2.
{598367E9-7D7E-4F8E-86EE-6DCA5479F291}      2019-03-15 09:02:06:703-0500      1      148      101      {D67661EB-2423-451D-BF5D-13199E37DF28}      1      80072ee2      SelfUpdate      Failure      Software Synchronization      Windows Update Client failed to detect with error 0x80072ee2.
{B2A8183D-D495-434A-99E8-398B41188798}      2019-03-15 11:54:09:787-0500      1      149      102      {00000000-0000-0000-0000-000000000000}      0      0      AutomaticUpdates      Failure      Software Synchronization      Unable to Connect: Windows is unable to connect to the automatic updates service and therefore cannot download and install updates according to the set schedule. Windows will continue to try to establish a connection.
Maybe I'm overthinking this, but how can I mirror a PC screen (or extend) to a TV across the room without using an HDMI cable or similar and without using WiFi? The PC is a regular wired desktop PC. I believe I've seen products in the past that could do this without wifi, but everything I find now requires wifi. While I could perhaps purchase a wifi USB dongle for the PC, I've seen this cause network issues when a wired and wireless network are both active on a single PC, so I'd prefer to avoid that.

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I have a single workstation on my domain that I can not seem to solve what is going on and of course it belongs to the owners wife.  There are two main issues that I am experiencing.  

First I am only able to see our EHR server and a single DC/DNS server under "Network" on the problem Workstation.

Second I am unable to map any drives outside of the one I have mapped to the listed EHR server that  I am able to see.

I thought it could be a trust issue so  have removed then rejoined the workstation to the domain using both powershell and manually removing and rejoining the domain through computer properties, I also enabled SMB1.0 to see if that would help still no luck.  I tried using "net use" to map a drive but it returns error 64. If I try to map a drive by right clicking "this computer" I get "network name no longer exist" error.

This is the only workstation experiencing this issue.
Source on Technical article and Technical know how on ADFS 3.0
Trying to configure WCCP on Cisco ASA Running 9.x.
Added ACL's, Service Groups and Redirects.

Show WCCP is still showing "Router Identifier - Not Yet Determined", whereas this should actually be the public IP address on my outside interface.

The old command "ip wccp source-interface" is not recognized in this release (9.x)

I have two DCs acting as DHCP servers (Windows server 2008 R2). Devices connected to an access point (Unifi ap pro) gets an IP address from the DCs.

How do devices know which dhcp server they should get its IP address?

How can I make the DHCP servers redundancy so if one DC goes down, the devices are still able to get an IP from the secondary DHCP.
Hi guys,
I got a Meraki mx64 router - has 3 vlans-1,2,5
Vlan 1,2 - server is dhcp
Vlan5- meraki is dhcp

Meraki connecting to dlink dgs1510 switch1(vlan1 -untag,vlan 2-tag, vlan5-tag) , and Sameway switch1 connecting to switch2 in trunk(vlan1-untag,vlan 2-yah, vlan5-tag)

In switch1- all ports are vlan1 untag and vlan2 tag, as it’s going to phones and computers. Vlan5 not a member

In switch2- all ports connecting to computers which needs to be in different subnet from rest, so vlan5 untag In all ports. Vlan1&2 not members

If I do this setup - vlan 5untag in switch 2 not working. It’s not communicating to router to get dhcp. In trunk between switches vlan5 is tagged, but all ports in switch 2 , is untag.  So am little confused.
Am I doing anything wrong ? I have also attached a diagram to make it easier

[embed=file 1411870]
[embed=doc 1411870]
We get calls from people who cannot get to a website, say  The cursor will just spin and the request will time out.  This happens intermittently.  We called level 2 support, and they claim that the requests are not hitting their gateway, but I am not sure this is the case.  I'd like to provide some hard data to level 2 support with a tool like wireshark, but I don't know how to interpret wireshark.

Is there a tool that is a bit simpler than wireshark that can tell me where exactly where the hold up is?  I have looked at a tool called DNSQuerySniffer, but it looks like it stops at my internal DNS server.  I have also tried a simple tracert, but tracert hops timeout on sites that are working, so they are not reliable.  

We do have company internet filters in place (fortinet), but they are managed at level 2 so I don't have access to their logs.  I am also told that there are a few old DNS server records in my forward lookup zones, but they have been there long before this problem began.  

Thank you!!
Dear Team, I got this code: 0x8056530c when configured Data Deduplication in Server 2012R2. Can you suggest? Many thanks!

Enable-DedupVolume : MSFT_DedupVolume.Volume='D:' - HRESULT 0x8056530c, Data deduplication encountered an unexpected
error. Check the Data Deduplication Operational event log for more information.
At line:1 char:1
+ Enable-DedupVolume D:
+ ~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (MSFT_DedupVolume:ROOT/Microsoft/...SFT_DedupVolume) [Enable-DedupVolume],
    + FullyQualifiedErrorId : HRESULT 0x8056530c,Enable-DedupVolume

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In an environment w/o roaming profiles:  Some computers have multiple users & accumulate too many profiles.  Users fail to use their Network Drive adding files to these profiles.  What's the best way to force a single profile on all who login on those machines and force a mapping of at least the Documents Folder to the users network drive?  (For both Win7 & Win10.
Windows 7 pro computers in peer-to-peer network.  All computers were accessing shared files well 'until' i ran DELL Support Assist program. Updated BIOS as well as network adapter drivers on all ending in a utility to 'optimize' network connectivity.  Two of the computers ceased to allow access to their shared folders across the network using their Computer name \\johns PC\shared folder. I could use their IP address  \\\shared folder. I get the standard message I do not have Permission to accesss the shares...  i tried 'every' remedy I could find online...ipconfig \flush dns, replaced 'host' file...
 reinstalling network adapter drivers, reset winsock, finally Repair Reinstalled Windows 7...nothing seems to work.  i finally clean reinstsalled Windows 7 on one of the two and that worked...i want to avoid a clean install on the other Windows 7 if possible so here i am.

I have
 found that the 'only' place the problem occurs is when i click 'Map a Network Drive', select "Browse" then attempt to 'select a shared network folder" the + next to the problem computer to see its shares.  Only then do I get the permissions error.  Otherwise i can see this computers shares by typing into the 'Folder' field \\Johns-PC\shares....and click finish..the shares appear! Going the other way this computer has no issue seeing all other shares on the network, just no one can get in using the 'Browse' and 'Select' method. Only by entering the path to the shares appears to work. Even …
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I cannot telnet to idrive servers on port 443. As a result the remote backup quit working. I can telnet to on other client networks. We have a Cisco ASA 5506. Im using ADSM to try and figure this out. I have uninstalled antivirus, disabled pc firewall etc. Below is a screenshot of the rule I created to try and fix this.

I have another network that has no firewall and is wide open for testing, and I cannot telnet to it on that one either. ISP says they are not blocking that address.

Windows Server 2012
I cannot ping , nor Remote Log into a Windows 2008 R2 server. But I am able to ping or remotely connect from it to other servers.
Hi all,

Lately, we've had a spike in user's devices losing trust relationship with our domain (we've only one domain).

We've made no changes recently to the domain or domain controllers. Can anyone point me in the direction to what might be the cause of this and what health check I can run that might highlight what the cause is?

Hi Team,
I have a project that involves moving my secondary domain controller to a cloud environment on a different not-NATed subnet. Unfortunately, in the process of doing a bare metal copy using VEEAM Agent, my DC02 came up malfunctioning, As a result of tweaking and ruminating it seemed easier to just bring the local copy of DC02 back online. My plan now is to just build a new third domain controller (DC03) and decommission the second one. My post is mostly for the sake of gathering thoughts, advice, and little-known information when it comes to setting up a new DC as this will be my first rodeo.

My current setup (IP addresses are used as an example):
DC01 ( - Primary DC (AD, DNS, DHCP, Certs) on 2008 r2 on a physical device.
DC02 ( - Secondary replicated AD and DNS on 2008 r2 in vSphere on an ESXi host.
DC03 ( - My third DC will be built in a vCloud Director environment, likely running Server 2012 or 2016. This device will also be in a different subnet, Routes have already been established and the machines that are currently there all work correctly with the devices in my local subnet.

Are there any issues replicating AD and DNS from 2008 r2 to 2012 or 2016? Would I be better off just building a 2008 r2 machine in my VCD environment, or perhaps upgrading my primary from 2008 r2 to 2012 or 2016?

What is the industry standard for setting up and configuring a third DC and then decommissioning the secondary, such as in…
Hi guys,

I got a dlink switch and synology nas.
Got link aggregation (2 ports) from switch to nas.
How do I test the performance ? Is there any way to test read write performance through link aggregation .

I just want to see the difference between a single port connection and link aggregation to either server/nas ?? Just wanted to prove a client there is a difference with actual facts!

We have a client who share data between 2 computers. PC2 connects to PC1 for shared data and some software.

Intermittently, PC2 loses connection to PC1. The share is setup as \\PC1\ Data. When we dial in, we can ping the IP address but not the PC name.

More often than not I will add a shortcut using the IP Address and then the the original shortcut using the PC name will then work. We have tried setting the shortcuts using the IP address but this had the same issue but in reverse.

I have set PC1 to static, checked Computer Browser service and UPNP are set to auto on both. Disabled all advanced sharing settings, reinstalled SMB from features and then Enabled all advanced sharing. It will work for a period of time and then lose connection again.

Any suggestions?

Windows Networking





The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.