All Questions
Tagged with windows networking
1,114
questions
0
votes
1
answer
57
views
Windows EC2 Networking: packets dropping if PPS is too high
I have a Windows 2019 Server running on AWS EC2 (m5.4xlarge) which is dropping packets under high pressure ("high" in this case is about 10K pps). The bandwidth is doing perfectly okay, the ...
- 101
1
vote
0
answers
127
views
Unable to access SMB share with DNS Cache service disabled from Windows Server 2022 but it works on Server 2019
I have a requirement to disable the Windows DNS Cache on a new Windows Server 2022 RDS VM.
Trying to access a SMB share hosted on a Windows Server 2022 file server, all my servers are joined to a AD ...
- 11
0
votes
0
answers
80
views
Create VPN server on Windows 2022 server programatically
I'm migrating VPN server from Windows Server 2016 to Windows Server 2022.
This time I want to create it programmatically/automatically (IaC way)?
On Windows Server 2016 is the build-in Windows VPN ...
- 101
2
votes
0
answers
82
views
Slow access to files on network drive from Hyper-V guest
Windows Server 2022 with Hyper-V on Dell PowerEdge R550.
On Hyper-v there is a Windows Server 2016 guest which is an Active Directory Domain Controller.
Accessing a file from Windows Server 2016 is ...
- 29
0
votes
2
answers
65
views
Windows DNS Lag and Timeouts
I've recently migrated some 2012 R2 servers to Server 2022, including some domain controllers.
Everything appears to be fine except that one of the VMs is behaving strangely when attempting name ...
- 83
0
votes
1
answer
48
views
Windows can't reach IP host through two routes
Problem: Windows 10 can't reach an IP host behind two routers, where the path is specified in static routes.
Windows has the following setup:
Windows Host (192.168.3.1/24 for the local LAN with ...
- 111
0
votes
0
answers
98
views
OpenVPN can connect but can not ping any server and internet traffic fails
So this is a weird one. I have dozens of OpenVPN servers hosted on a pfsense server 2.4. I recently ran into a problem where the a single client can connect but can not ping the router or the openvpn ...
- 1
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votes
0
answers
52
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Advanced tab missing in Network Adapter properties after installing 28.2 version of Network Adapter Driver
I recently updated my Intel X540-AT2 Network Card on a Windows Server 2012 R2 system to the latest version 28.2. This update included both the driver package and the Intel® PROSet package, which I ...
-1
votes
1
answer
71
views
Windows Server with two NICs with cross communication between the two with DMZ
Network Topology
I have a Windows Server that is connected to a modem with a public ip address of 42.251.46.174 which is in DMZ that we will call Modem1.
I then have a modem with the public ip address ...
0
votes
0
answers
159
views
Local Windows machine cannot connect to another except port 80
Trying to test a dev web service endpoint.
Firewalls and Windows Defender are off on both.
From different machine
Test-NetConnection -Port 80 -ComputerName 192.168.1.5 -InformationLevel Detailed
...
- 101
0
votes
1
answer
272
views
Can we use RoboCopy to synchronize data?
I have a project where we are moving from on-premise file share to AWS FSx.
I need your suggestion on data synchronization. I decided to use the RoboCopy tool to copy the data. We need to also copy ...
0
votes
0
answers
27
views
getting task cancel error while trying to call web api endpoint (hosted in machine A) from machine B in one of the machine for entire domian
0
I have a web api app hosted over machine A which is called from various machine within a domain.
var data = await model.GetDataAsync();
// Throttle the number of requests returned
return Ok(data....
- 101
0
votes
0
answers
205
views
What proxy does a system use if nobody is logged in?
If I have a Windows computer on a network that requires a proxy and I run scheduled task that needs it that runs overnight (or do something like Windows Update, etc), what proxy does the machine use ...
- 341
0
votes
0
answers
30
views
Users can access a certain website on our network but they cannot log in. They can log in on our second network and on any external network
it is my third month as a junior sys admin and my senior is on vacation.
Starting this past Tuesday, users have not been able to log in to a website while on our primary network. The web page loads ...
0
votes
1
answer
167
views
Networking: NAT two interfaces together on Windows
I have the following setup:
Openvpn client (Linux) (Openvpn IP 192.168.99.4)
Openvpn client (Windows) (Openvpn IP 192.168.99.2)
Openvpn server (Linux) (Openvpn IP 192.168.99.1)
Now, both clients ...
- 1
0
votes
0
answers
19
views
AWStats a network drive
I am running AWStats from a NAS networked drive on a Windows network. The apache sever log files are also on the NAS network drive and the path includes the network drive letter along with locations ...
- 1
0
votes
1
answer
360
views
How to assign Windows process to specific network adapter
I would like to start specific applications for example MQTT broker, Node-red etc. in multiple instances and I would like to assign, that each one can communicate just on the specific network adapter ...
- 11
0
votes
0
answers
264
views
issue with fortigate vpn using windows native vpn client: Overlay Controller VPN communication error (Members)
So yesterday we put into production a new vpn connection using a fortigate rugged 30d as the server and a windows server 2016 as the client using the windows native VPN client.
It was working for the ...
- 13
0
votes
0
answers
31
views
Does dwForwardMetric1 field from MIB_IPFORWARDTABLE represent a sum of route and interface metric?
Documentation for MIB_IPFORWARDROW structure being interestingly vague on this particular point, except for a mention of Windows Vista/Server 2008:
On Windows Vista and Windows Server 2008, the route ...
- 1
0
votes
0
answers
91
views
Routing And Remote Access with VPN Installed On Same Server
Setup
I have a Windows Server 2022 with Routing and Remote Access (RRAS) installed.
The server has two (NICs) ethernet ports.
I have the following setup in RRAS.
Ethernet 1 is the Switch -> Server ...
- 301
0
votes
1
answer
47
views
Devices appearing and disappearing from the network
I have recently noticed a weird problem where clients and servers are only sometimes visible to browse on the network. All connectivity is good, I might add, and all devices can be browsed to by UNC ...
0
votes
0
answers
101
views
Some web pages cannot be opened due to timeout on MS Windows
This is a very strange issue related to one (and only) particular PC in our network running Windows 10.
These two web pages cannot be opened on this PC: https://www.chces-soutezit.cz and https://...
- 141
0
votes
0
answers
42
views
Hyper-V (Windows 11) - Disable all network access on host but not VMs
Is it possible to create a setup where the Windows 11 Hyper-V VM host has all network access completely disabled, but the VMs running on it still retain full access?
In a model similar to what Qubes ...
- 243
1
vote
0
answers
190
views
kubernetes - fail to install flannel network on windows node when node has more than one network interfaces
I have a mixed k8s cluster v1.23.2 (
control plane on a linux VM Centos 7 ( running on ESXi host, let's call it SRV1)
and a
windows server 2019 node on another physical server ( SRV2 )
both SRV1 ...
- 11
0
votes
1
answer
65
views
How to disable automatic network connection on windows startup?
So in Linux you need to manually run some commands or write config files to connect to the network. Before these steps you can use the system perfectly fine without a connection. Is something like ...
- 3
1
vote
2
answers
2k
views
How to configure DNS for internal domain resolution on Windows Server?
I have a Windows server with a private DNS server for the AD system named office.example.com. The public domain name example.com is managed by a hosting service and points to a public IP address. When ...
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-1
votes
1
answer
297
views
Domains and Exchange 2019 [closed]
I've got a full domain environment at home and I've had my primary domain name for 13 years now and wanting to change it so it matches my exchange servers email domain.
For example; fyi those domain ...
- 3
0
votes
2
answers
183
views
DNS Not Working Properly After Mulithomed DC Change
After adding a secondary NIC to a Windows Server 2016 DC I went back to remove the secondary NIC from DNS. It had already registered itself with DNS and I only want the server to listen on one NIC for ...
- 101
0
votes
1
answer
68
views
Two networks, two WANs, two VLANs, one set of switches?
I have a standard corporate network with Active Directory, and I have an outbuilding for the local community college. We run off port 1 on our modem and run straight into our Palo Alto, which then ...
- 1
-2
votes
1
answer
34
views
Best solution for storing files securely in a office where multiple people use the same PCs all with admin windows accounts
We're a small business with 5 employees. As such owners and employees share the same PCs. The owners might have documents which as sensitive in nature and the employees could be using the same PCs and ...
0
votes
0
answers
287
views
Add a static route to access a host on the client side of VPN
Remote server (Windows Server 2012 R2) connects to local router and after that the server is accessible from 192.168.22.104 as 192.168.170.254 without any manual actions from me.
Now I would like to ...
- 293
0
votes
2
answers
413
views
Can you connect two PC ports with different subnets to one unmanaged switch?
We're in the process of designing a machine with a Windows PC inside its electrical cabinet (a Beckhoff IPC like this one). Among other things, there will be some GigEVision cameras connected to that ...
1
vote
1
answer
1k
views
Cannot bind to tcp port but no application listens to it
I am looking for a way to find out any process that may prevent binding to a port on a windows 10 machine.
My issue is that I have a server application that cannot open a socket on port 7777, ...
- 111
-3
votes
4
answers
482
views
Connect mobile app to a server in LAN
we have a system running in a LAN without access from outside. Now we developed a mobile app which should communicate with this system using API calls.The mobile phone would use a celuular network ...
- 39
0
votes
1
answer
142
views
How to add a computer to a Domain of windows server 2022 runing on AWS EC2
I have Windows server 2022 running in AWS EC2 with the address that the same instance in EC2 generated, this server can be opened perfectly from any location using "Remote Desk
controller" ...
0
votes
1
answer
141
views
Create a dummy interface inside a Windows container
I am trying to isolate the networking inside a Windows container, which is very easy using --network none.
The problem comes when I have two threads in the same process trying to communicate each ...
1
vote
0
answers
311
views
Windows lost server connection while transferring files via Samba
I have a Ubuntu 22.04.1 server with Samba installed to allow other PC in the local network to upload/download files, there are 2 Windows clients (Windows 10 & 11), and they both are ok to connect ...
- 111
1
vote
1
answer
106
views
How to identify which DNS server is in use in Windows OS?
I have a windows 10 machine with two network interfaces.
Interface #1 (LAN Interface)
IP: 10.1.0.5
Gateway: 10.1.0.1
DNS: 10.0.1.2
Interface #2 (OpenVPN)
IP: 192.168.1.5
DNS: 100.0.0.1
Note: My VPN is ...
- 111
0
votes
0
answers
205
views
Windows Server 2016 unpredictable static routes
I am configuring routes on a Windows Server 2016 machine.
I've already set up a Lan to Lan VPN as follows on a DrayTek router:
Local network: 10.23.42.96/29
Remote networks: 10.41.73.0/24, 10.41.86....
- 1
1
vote
0
answers
160
views
Linux instance vs Windows instance - different behaviour in an AWS private subnet routing traffic through a NAT
I'm experimenting with a NAT gateway vs a Squid proxy in an EC2 instance (both of these placed in the same public subnet). To test connectivity, I'm using a private subnet to access the internet (once ...
- 121
-1
votes
1
answer
710
views
OpenVPN speed tweaks for VPS(Windows)
Background:
I have an OpenVPN server running on my Windows 10 VPS. The Internet connection of VPS is ~750 Mbps for Download and ~450 Mbps for upload (Obtained by multiple speedtest.net tests). The VPS ...
- 5
0
votes
1
answer
131
views
Packet download speed drops for Ubuntu 20.04.05
I have a virtual machine in VMware Workstation 16.2.3. running in Windows 10 Pro
I managed a few months ago to install Ubuntu 20.04.5.
The idea of creating this virtual machine is to be able to test ...
user543085
0
votes
0
answers
163
views
Is it possible to conditionally launch Chrome with a proxy configuration on Windows?
I have a networking/routing application that has a SOCKS5 interface and a more elaborate backend to route/proxy data. Anyhow I would like for a primary windows application to be able to launch ...
- 126
-1
votes
1
answer
39
views
Trouble connecting to the internet with direct connection to the modem
I have a windows server that is directly connected to the modem but cannot connect to the internet with the APIPA self-assigned IP address. There's no router/DHCP as that's going to be the servers ...
-1
votes
2
answers
649
views
Network ARP scanning for unknown ip address
Today, i did Wireshark network capture on a LAN, i've found a broadcast storm from a computer.
The broadcast storm has stop but i would like to know why and what cause this broadcast storm.
Here is ...
- 1
2
votes
1
answer
665
views
"Advanced network settings > Data usage" statistics using PowerShell
How can one get the Advanced network settings > Data usage statistics in Windows 11 using PowerShell?
I couldn't figure out how to get the total data consumption per process using Get-...
- 486
0
votes
1
answer
850
views
Firewall Ports Domain Controller to Clients
I am working on the segmentation of a network. Domain controllers and clients are located in different VLANs and are separated by a hardware firewall. Many ports must be opened for communication in ...
- 3
-1
votes
1
answer
235
views
How can I download the cisco running config to my C drive's folder?
I am going to download the running config from the cisco router.
I have tried the following command, but it needs to change the account's privilege level to 15 for downloading the running config. I ...
1
vote
0
answers
120
views
Windows PCs arping excessively for Domain Controller because they don't like the gateway given by DHCP
I've been administering my company's network for about 20 years. This is the first time this has ever happened and I've exhausted all means including my external network consultant and firewall ...
- 128
0
votes
2
answers
261
views
Oracle cloud - Connect to Windows instance with disabled ethernet
As I was troubleshooting the network connection of my Windows instance, I managed to disable the OCI Ethernet adapter, which makes it impossible to connect to the instance through RDP. I've have ...
