All Questions
Tagged with windows-server-2012-r2 networking
123
questions
0
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0
answers
52
views
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
104
views
Route traffic between two interfaces on windows server
I have windows server and having two NIC lets say NIC1 and NIC2, I want to use one NIC for internet and other for my SIP traffic.
NIC is used for Internet and its IP is as follow
IP Pool: 192.168.0.0/...
- 3
0
votes
0
answers
118
views
Intermittent Inbound Traffic Blocked Windows Server 2012 R2
We manage a number of pcs running Windows Server 2012 R2 on various hardware (computers have differing network cards etc.). These machines are connected at different physical locations to a physical ...
-1
votes
1
answer
55
views
Windows folder share permissions
I suppose this is straightforward but can't get a solution for it. When i share a windows folder (server 2012) and set its permissions (share or ntfs) then if someone from the network writes "\\...
-2
votes
1
answer
63
views
My IP is being blocked in windows server 2012 R2
My IP from my home is being blocked by my server (Windows Server 2012 R2). Where can I find and turn off this block? I believe it happened while working on a custom IP protocol for a program I was ...
- 155
0
votes
0
answers
34
views
Unable to swap old server with new one as the switch it's plugged into is unaccessible
Hopefully the title covers this question but, it's pretty straightforward.
At work, we have an old DMZ Server we'd like to replace with a newer model. Unfortunately, when we were ready for the swap, ...
- 101
0
votes
2
answers
362
views
How to create two different networks on Hyper-v
I currently have 2 physicals hosts with windows server 2012 R2 datacenter on each of them.
I have a 10.69.11.0/24 network with several VM's:
2 DC
2 File servers.
I want to test a course that I have ...
- 53
0
votes
1
answer
244
views
Missing Network Adapters. Only showing vEthernet
We had an older server at one location, and it was online and backing up online fine. And when the local ISP started charging per gig of usage. So we shut it down. Fast forward a year later, we have ...
- 1
0
votes
1
answer
164
views
How do I prevent unwanted FTP connection attempts on my Windows Server 2012 R2?
It appears that I'm getting FTP connection attempts from unknown sources. The SYN_RECEIVED state is nearly always showing.
netstat output
C:\Users\Administrator>netstat -aon | findstr &...
- 3
0
votes
1
answer
439
views
Network settings to execute webapplication performance tests from Windows Server
Web applications needs to be tested from a Windows Server 2012 R2 machine. Performance tests are executed with JMeter 5.3 on 300-400 threads. During test execution, following errors are coming in ...
- 261
0
votes
1
answer
214
views
Azure Traditional Load Balancer VS Azure Application Gateway response latency?
Environment Details:
I have an application hosted in two azure environments for two clients. The application contains ASP.NET web API backend and Angular Frontend. Both applications hosted on two web ...
- 103
1
vote
0
answers
42
views
Server failing to negotiate handshake with Server on different subnet
This issue appears to have just appeared out of nowhere, am I'm looking for some advice on how to troubleshoot. Server_A is 2008R2 and Server_B is 2012R2. Thanks
I have an issue in which Server_A on ...
- 11
1
vote
2
answers
1k
views
Gevent/Flask app not listening on external IP on Windows 2012 R2
Windows 2012R2 server with the only installed feature being IIS which is listening on port 80.
I have a GEvent/Flask application that listens for inbound TCP connections on 5000 (and exposes a REST ...
- 123
0
votes
1
answer
673
views
Cannot open https://www.rba.gov.au from Windows 2012 [closed]
We have an application that downloads https://www.rba.gov.au/rss/rss-cb-exchange-rates.xml daily to get exchange rates. It stopped working a few days ago, we found that above URL doesn't open in IE ...
- 163
0
votes
0
answers
208
views
Not able to connect to PPTP server in Debian in a lab
Currently I am making on a lab to test out vpn connection.. the topology is something like this
There is a picture of it down there with IPs please take a look ..
Why am I not able to connect ? I ...
- 101
0
votes
0
answers
683
views
Very High Network bandwidth usage (almost 20 GByte/Hour) Windows server 2012 R2
My server provider sent me an email with PRTG network moniter report saying that my outward traffic volume is too high (say 15GByte/Hour).
I checked my network consumption with resource monitor ...
- 1
-1
votes
2
answers
77
views
Is there any way to automate login process for all my domain computers using one account?
In our big network, there are many computers have lost trust relationship with the server and some of them have physical connection issue. I want to go to all computers, one by one, and log in by one ...
- 119
0
votes
0
answers
227
views
Cannot connect to server over SSL/IMAP from some machines, but others work fine
Since this morning, a few of the machines in our office have been unable to fetch e-mail from our domain over IMAP. The server (Windows 2012 R2, IIS 8, MailEnable) is set up to listen on ports 143 and ...
0
votes
0
answers
63
views
Access a computer in another network via web browser
I have a Windows machine (computer 1) that is connected to a Windows server (computer 2) 192.9.100.10
The Windows server has connectivity to an internal web server (computer 3) - 192.168.100.200
...
2
votes
1
answer
10k
views
Can't establish connection by port 22 on Windows Server 2012 R2
What happeed:
There is a server with Windows Server 2012 R2, and I need to using ssh on it. So I installed OpenSSH 7.8 on it. But when I tried connect from other server, connect was refused.
What ...
- 195
0
votes
0
answers
3k
views
Can I turn a computer into a network switch/router?
I have 3 computers that I want to connect via 100Gbe network connections. 2 of the computers/servers are equipped with Mellanox ConnectX-4 single adapters and one computer is equipped with a dual ...
- 322
1
vote
0
answers
761
views
WSMan Works, WinRM Running, PSSession Doesn't Resolve Anything Just Hangs
I have four devices on the same network on the same domain.
Server1
Server2
Workstation1
Workstation2
All devices have PSRemoting enabled. Server1 can Enter-PSSession on Server 2. Server2 can Enter-...
- 11
1
vote
0
answers
124
views
Completely lost access to AWS instance
We had a Windows Server 2012 AWS Instance on EC2 that worked just fine, had a VPN connection to our office and we could RDP into it from our office.
However, I was in the process of trying to ...
- 173
2
votes
0
answers
4k
views
How to set a PromiscuousMode on Network Adapter using Powershell in WIndows Server?
It's easy to check state of the PromiscuousMode for a physical network interface using PowerShell:
Get-NetAdapter | Select InterfaceDescription, PromiscuousMode
However how to set (enable/disable) ...
- 193
0
votes
1
answer
1k
views
Cannot use port 80 twice with different ip addresses?
I have an interesting problem right now. On a Windows Server 2012 R2 I have two IP addresses, say 192.0.2.1 and 192.0.2.2. On one address e.g. 192.0.2.1 a web server runs on port 80, which is ...
1
vote
1
answer
102
views
Windows Server loses path configuration on desktop shortcut
My remote desktop server users are having a lot of problems because, from time to time, one shortcut on their desktop loses its path.
The program is installed in C:\MyApp\app.exe but due to app ...
- 487
2
votes
0
answers
3k
views
DHCP Server: Missing Addresses and how to free them
Our DHCP Server, running on a Windows Server 2012 R2 Data Center, shows that we have 241 addresses total with 220 (91%) in use, 21 available. If I go to the Address Leases node and count all IP ...
- 421
1
vote
1
answer
4k
views
Windows NLA issue at co-location (site-to-site VPN): several machines cannot recognize network, domain is "unauthenticated"
Our corporate office is here in The States. We host a modest data center that has our DC's, Exchange, SQL, etc (all Windows shop here). Our second biggest office is in London and connected via site-to-...
- 330
1
vote
1
answer
3k
views
W2012R2 RDP Server: the number of connections to this computer is limited and all connections are in use right now
Recently, the following message has started appearing for clients attempting to connect to our Windows 2012 R2 RDP Server:
the number of connections to this computer is limited and all connections ...
- 111
1
vote
1
answer
450
views
Attach multiple static IP to windows server instance on Google Cloud
My aim is this
Host multiple websites/apps on IIS that is configured on my windows server instance on Google cloud e.g example.com (to host the website), api.example.com (to host api endpoints), app....
google-cloud-platform
0
votes
1
answer
69
views
How control bandwidth to determined sites in local network
I work in a company with around 20 employees, and some of then complain about slow internet sometimes, what happens is that some of the employees use a lot youtube, facebook and so on during the work ...
0
votes
0
answers
194
views
Can I point my custom name server to the same domain IP?
I have a domain name example.com point to 192.0.2.1
and I have :
ns1.example.com (custom ns) points also to 192.0.2.1
ns1.example.com (custom ns) points also to 192.0.2.1
Then I set the dns for "...
- 109
0
votes
0
answers
4k
views
Getting 404 for URL /adfs/ls in SP initiated sign on
I have done configurations to set up SSO using ADFS (on windows server 2012 R2) and shibboleth (on Ubuntu 12.x box).
Whenever I do SP initiated sign on i.e. https://mywebapp.com/authsml; the URL gets ...
- 11
1
vote
2
answers
253
views
Changed the IP address of my ad dc
so I had these 2 servers, the first one is my AD DC and the second one is my WDS server which is joined to the domain.
I changed the IP address of my DC from x.x.1.52 to x.x.1.88
On my WDS server, ...
- 23
2
votes
2
answers
2k
views
No network after Windows Server upgrade
Last night I started upgrading a server from Windows Server 2008 R2 to Windows Server 2012 R2.
This morning checking if everything went well, the network card says "unidentified network" and "no ...
- 131
1
vote
3
answers
2k
views
Setting up DHCP on Windows Server 2012 R2. How to share Server's connected networks with all clients?
My office requires a connection to a private corporate cloud and also the internet. Up till now i have used dual network cards on all client machines and then added static routes through command on ...
- 63
1
vote
1
answer
182
views
Win Server Domain/DNS name error - A.BxCx.org - vs.- A.Bx.Cx.org
I just got a request asking if I could volunteer/help out a local shelter with their network. They're having a "bunch of issues" / slowness /etc. They had a SBS 2k3 server with about 40 domain clients....
- 11
1
vote
2
answers
2k
views
Can Windows 2012 R2 act as an VPN client using IKEv1?
I am trying to find out if 2012 R2 can connect to a VPN with the following data:
Phase 1 Proposal: pre-g20-aes256-sha2-256 (86400)
Phase 2 Proposal: esp-g20-aes256-sha2-256 (4800)
IKEv1
PFS enabled
...
2
votes
1
answer
4k
views
Win 2012 R2 / IIS 8.5 intermittent Connection Refused
We suffer from a connection refused problem when the users of our web site try to open it. This problem happens in a random manner, about once or twice a month, and problem continues for a few hours. ...
1
vote
1
answer
29
views
3 Static IPs, 1 Modem, 1 Dual WAN TP-Link Router
Can I place a hub/non-L3 switch between my Router and Cable modem to utilize the other IPs? I'm interested in using one of the IPs for Direct Access.
Thanks
0
votes
0
answers
634
views
Maximizing windows server 2012 r2 upload throughput
I have a windows server running 2012 r2 and single connection upload limit seems to be around 10-20mbps however using something like downthemall I can max out my home connection using the segmented ...
- 11
-1
votes
1
answer
521
views
Computers unjoin domain after each reboot
This is my config:
controller.mydomain.local (Domain Controller)
IP Address : 192.168.1.1/24
computer1.mydomain.local
IP Address : 192.168.1.2/24
DNS Server 1 : 192.168.1.1
...
1
vote
1
answer
2k
views
how to remotely connect to windows server 2012 using psexec
I want to connect to windows server 2012 which is an aws ec2 instance. I tried using psexec but it showing error as Make sure that the default admin$ share is enabled on WIN-G2QOH****. i tried all ...
- 11
1
vote
0
answers
383
views
Disabling ECN: Netsh: incorrect paramater when executing via SaltStack cmd.run
I'm attempting to mass disable Explicit Network Congestion Notification on a group of Windows Server 2012r2 servers hosted in AWS EC2. I'm using the Salt Stack configuration management tool. When I ...
- 215
0
votes
1
answer
196
views
Unknown device: detected open ports on server that should not exist?
While running a network scan I found open tcp ports reported for a linux machine (port 22-Openssh debian; ports 5124/5127/7582/8282 - Tunnel is OpenSSL) but we only have one linux box and this was not ...
- 111
0
votes
1
answer
13k
views
round robin dns in windows server not working
Running Windows 2012 R2
Round Round enabled for my DNS zone (AD integrated)
Im either not understanding this or its not working.
I want to use round robin dns to resolve to a cluster of servers.
...
- 4,233
0
votes
1
answer
516
views
Dell R330 server disconnects shortly & occasionally from LAN
We have Dell R330 server with Broadcom NetXtreme Gigabit Ethernet cards, driver version 17.4.0.0 from Feb 2016, Windows Server 2012 R2 Std. x64 in a domain. The server is connected with a cable to a ...
- 163
1
vote
1
answer
395
views
Windows Server 2012 - No communication to other subnets
I have a bit of a weird issue. I have a HyperV server (192.168.0.3) that hosts all my VM's in my network and, up until today, I have had no issues with it.
Now for some reason the PC that is hosting ...
1
vote
1
answer
1k
views
Windows Server 2012 after power outage
Had a power outage, server restarted normally.
Server is a database server for a hotel, which is connected to an ISP with optic fibre.
On the restart, network went public, instead of the default ...
- 11
0
votes
2
answers
210
views
Remotely connect to a database instance on a Azure VM without RDP?
Preface
I'm a developer by trade, so network security isn't really my purview. However, solving problems is my purview, and I've got one with which I need help.
Also, please forgive me if I get any ...
- 223