All Questions
Tagged with windows-server-2019 networking
30
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
0
votes
1
answer
47
views
Established TCP Communication terminates without any clue
I'm not able to understand what might be the reason for a lost TCP Communication over RPC between a CentOS 7 and Windows 2019 Server.
From the Wireshark I could see that the TCP Communication is ...
- 123
0
votes
0
answers
44
views
Windows service on Windows Server 2019 stops accepting IoT device connections on public IP address and domain name
We are investigating an issue on Windows Server 2019. It runs a Windows Service that accepts TCP/IP connections (TCP/IP service bound to IP address 0.0.0.0, so listening on all network adapters). ...
- 171
1
vote
1
answer
43
views
Windows Server 2019 erroneously changing the subnet on NIC1 to /24 after each reboot, but it should be /22
Every time I reboot this Windows Server 2019 VM, Windows changes the subnet from 255.255.252.0 to 255.255.255.0 which is incorrect. The subnet must be /22 (255.255.252.0) for traffic to pass.
I found ...
- 294
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
2
votes
2
answers
176
views
Windows Server 2019 Throttling for Domain Users and not Admins?
Morning All,
I've got a fairly new environment running the latest ESXi, all WS19S servers AD joined and everything seems to be working as it should and is very responsive as all of the servers are ...
0
votes
0
answers
131
views
Slow loading times getting .mun file from a network share
I have a client with a 2019 Standard Windows Server and a Windows 10 Pro desktop. Server has a network share \server\programshare.
Most times when opening a program in the share from the client, we ...
- 101
1
vote
1
answer
325
views
Hyper V Dedicated Network Traffic for Hyper V Replication between two Hyper V Server
our scenario
The scenario is applied exactly with our planning setting, we need to configure Replica on our VM inside Hyper-V, the issue is how to configure or dedicate a specific network for a ...
- 11
0
votes
1
answer
561
views
Server 2019: slow upload
I have both Windows 10 Pro and Server 2019 VMs set up on the same host.
From the Server 2019 instance, using iperf and the same NIC/driver as the Windows 10 guest, I get ~3Mbps on a theoretically ...
- 239
1
vote
0
answers
513
views
Windows Server 2019 high round-trip time low transfer bandwidth
I have two Windows Servers 2019 with a round-trip time of 88 ms between them. When I try to measure bandwidth with iperf3 I get only around 16 Mbits/sec in both directions with a single stream. To get ...
- 21
0
votes
1
answer
303
views
Prevent Windows Server 2019 with static IP from detecting new networks?
we've got some Windows Server 2019 VMs running on XCP-NG. They are configured with static IP addresses. We have two VM hosts: a primary site and a backup site. Our network admin has created a VLAN ...
- 21
1
vote
0
answers
79
views
Issue with two Dell R620 servers connected directly with Cat5e cable get slow speeds
I'm trying to set up a new Hyper-V cluster to run my virtual environment on. Decided to try out 2019 and currently I have two HOST servers (Dell R620s) connected together using a cat5 cable directly (...
- 805
-2
votes
1
answer
49
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Going to implement new Infrastructure in HQ Office with 1 firewall, 1 L3 Switch, 5 L2 Switch, 2 Managed WIFI AP and 1 Server [closed]
Im going Implement Network in HQ Office which will link also with Branches Office. What IP Address Class is recommended on this scenario? Need some assist to Kick Off on this. I have 1 unit Fortigate ...
0
votes
0
answers
140
views
Windows server inaccessible through rdp or smb after being idle
Trying to figure out a problem where the server not responds to rdp or smb connections after being not used for around 3 hours (i.e. all users are out and only background services running). Two ...
- 135
1
vote
1
answer
1k
views
How should i debug a Microsoft CIM that fails because MSFT_NetRoute be "not found"?
In general, how should one debug a failure related to CmdletizationQuery_NotFound messages, and why would the MSFT_NetRoute based queries register such an error?
Details
Specifically, my Kubernetes ...
- 211
0
votes
0
answers
788
views
Weird SSL issue with some sites connecting from Windows Server 2019
I'm struggling with a very weird issue on one of the WS 2019 machines. Basically, we're having trouble connecting the LOB app to their cloud service. At the first glance, the issue seems to be with ...
- 101
1
vote
1
answer
107
views
Why do my Hyper-V networks get an IP on my Host Server?
I set up a new Hyper-V Host Server. I run two VMs on this Server, each of them with their own Virtual Network, which is a NIC Team. Here are the teams:
[HVHost]: PS C:\Users\xy\Documents> Get-...
- 785
1
vote
0
answers
1k
views
Port-Forwarding and Routing on Windows Server 2019
we run several virtualized servers (all Windows Server 2019) in a cloud environment.
There is one server used as router (with a public IP and a privte IP 192.168.100.10)
and two further servers have ...
1
vote
1
answer
269
views
Change DC IP to public Server 2019
I deploy AD DS on new VDS.
I delegated domain zone to a server. The problem is that I can't add pc to domain because I can't change domain controller private ip address to public address in DNS ...
0
votes
0
answers
3k
views
Setting up a GRE tunnel on Windows Server 2019
I am trying to etablish an GRE tunnel to my Windows Server 2019, which seems easy enough.
Although things get a bit complicated, as I want my applications to bind to the IP on the other side of the ...
- 1
0
votes
0
answers
3k
views
Windows Server 2003 SP3: "the specified network name is no longer available"
I have a network, where the Active Directory Domain Controllers run Windows Server 2019.
We have an old SharePoint server running Windows Server 2003 SP2 running as a virtual machine on an old ...
- 421
2
votes
1
answer
558
views
Migrate AD DHCP to New Server: Some on old and others on new
We used to have one AD box, AD1. We since added two new AD boxes: AD2 & AD3. The idea was to decommission the old box.
I went through DHCP Manager and set the scope and everything seems fine. ...
- 421
2
votes
1
answer
161
views
How to setup a bonded ethernet connection directly between macOS and Windows Server 2019?
I've been having trouble connecting a macOS 10.13 High Sierra server to a Windows Server 2019 server with a bonded ethernet connection consisting of 3 directly connected ethernet adapters. Windows ...
- 1,197
0
votes
1
answer
3k
views
Python Socket Not Able To Connect To Windows Server
I am using socket library in python and want to connect client (my computer) to server (AWS EC2 Windows instance).
But client always give error:- "TimeoutError: [WinError 10060] connection failed ...
- 1
0
votes
1
answer
1k
views
Windows Server 2019 goes down and loses connection every few day. Ideas on how to diagnose?
I have a hosted dedicated Windows Server 2019 that is going down every few days. Randomly all of the websites that are hosted via IIS/PHP/MySQL will just stop working (going to the www.domain.com will ...
- 65
0
votes
1
answer
904
views
NIC not connecting without default gatway
I have replaced an end-of-life server in a hosting center, with a new one running Windows Server 2019. The old and new servers were/are multi-homed. I have simply reused the network cables and ...
- 773
1
vote
2
answers
157
views
Isolating IIS to one NIC
asking if its even possible and how to do it:
I have a fresh server (Windows Server 2019 Essentials) with two NICs. I have two separated internet access providers (two ADSL modems).
Is it possible, ...
- 111
3
votes
0
answers
969
views
Old server accounts persist after migration to Windows Server 2019
I went through the process of migrating Active Directory 2012 R2 to Active Directory 2019. Minus a few firewall ports needing to be opened up, I was able to get through the process of promoting the ...
- 201
2
votes
1
answer
4k
views
How to disable IPv6 dhcpstaticipcoexistence on Server 2019
I have a Server 2019 host that has a static IPv6 address. It seems Microsoft added a feature in Windows 10 that is also present in 2019 where a host can have both a static IP address, as well as a ...
- 5,426
7
votes
1
answer
973
views
Switchless Networking Configuration for Two Directly-Attached Nodes?
I have two Windows Server 2019 Datacenter Edition servers, each with RDMA-enabled Mellanox ConnectX‐4 Lx 25GbE DA/SFP NICs. I've directly connected them with a 1 meter SFP28 copper cable.
How can I ...
- 765