0
votes
2answers
72 views

Any gotchas when using the lowest and highest IP addresses in a small block?

OVH offers additional public IPv4s in blocks as small as /30, that is 4 IPs total. As I understand it, strictly speaking two of those are supposed to be unusable. However, OVH allows me to route those ...
-2
votes
1answer
67 views

Windows 2008 R2 - No internet access with static IP [closed]

We had an internet outage and when the ISP resolved the problem, we ended up with a server that no longer has internet access unless we use DHCP. I replaced the network card, thinking it might ...
2
votes
1answer
70 views

Can't join Windows domain from different subnet

I have a lab with Windows Server 2008 R2 acting as a domain controller for domain win.testlab with IP address 10.0.1.1. I have several Windows Server 2012 VMs connecting to this domain within the same ...
1
vote
0answers
17 views

WFS/NFS Shares lagging then crashing client machines

We're running a Windows domain (2008 R2 on 2 DC's) with a Synology Rackstation hooked up with all our shares on. We have about ~100 workstations and 30 phones hooked up to the domain (the phones have ...
0
votes
2answers
31 views

DNS log on Windows Server 2008

In a Windows Server 2008 R2 machine, with DNS Server Role installed in a local network, can I read in some log which queries the network hosts have made? To obtain some list of the visited sites. If ...
1
vote
2answers
114 views

Windows Server 2012 (NFS) as storage for ESXi 5.5 problems

Setup: 1 ESXi Server with 12 NIC's 1 Virtual Vcenter on ESXi Server 1 Windows 2012 Server with NFS and 4 NIC's (VM Storage) To-do: Connect 3 NIC's without a switch and team them I set up an ...
0
votes
1answer
45 views

Suggestions on the best way to convert a Workgroup to a Doman / Active Directory? [closed]

I recently took over as the network admin for a small manufacturing firm. It's grown from a small mom and pop shop into a medium-sized business over the past few years, and as such trying to manage ...
0
votes
0answers
38 views

OpenVPN - Routing from one VPN into another

I have the following situation. I have a root server, which acts as a VPN server for my company network and as a VPN client to multiple customer-networks. Every seperate connection works (I can ping ...
0
votes
1answer
50 views

Could the IPG parameter in Robocopy cause TCP/IP packet problems if it is too high?

I need to throttle a robocopy transfer to limit bandwidth usage. It is already set to 1500 (/IPG:1500). I would like to increase this IPG to around 2000 (or more) in order to lower even more the ...
2
votes
1answer
97 views

What are the imlications of having different TCP Chimey Offload settings?

I have a SQL Server (2008 R2) WSFC on Windows Server 2008 R2 on which I am experiencing some storage latency between the OS and SAN. The SAN admin has noted that the SAN is experiencing very little ...
0
votes
1answer
25 views

Network Load Balancing - Server 2008 R2

I have 2 virtual Windows Server 2008 R2 instances that I am load balancing with Widnows Network Load Balancing. Since they are on vmware, each machine has 1 nic and uses multicast mode. With ...
0
votes
0answers
74 views

Windows Server 2008 domain controller appears to be dropping some packets

Some background: I have a small network with a Windows Server 2008 domain controller (with DNS and DHCP services) which had been running fine for approx 1 year. Recently I noticed that some DNS ...
0
votes
3answers
186 views

Connect Server to multiple Networks

I have a server that I'm trying to connect to multiple network ranges (172.x.xx, 10.x.x.x). I'm not really concerned with Domain issues I just want to be able to access my storage / management network ...
0
votes
0answers
86 views

Windows Server 2008 R2, weird intermittent outgoing connection issues, & Hyper-V Virtual Network

My provider says that they run an 'unfiltered' network, so it's not a network issue. Not entirely convinced...but they aren't being very helpful. Basically two days ago started having issues with ...
-3
votes
1answer
69 views

Internet doesn't work when enable local network

We have the following network setup: A) Router IP 192.168.51.49 B) Windows Server 2008 R2 with dual NIC: Lan A) WAN interface (192.168.51.50) ( Used for internet) Lan B) LAN interface ...
0
votes
0answers
83 views

Server 2008R2 losing mapped drive to XP machine

I have a Windows 2008 Web Server R2, with a mapped drive G: to an XP computer. The server has a 24/7/365 chart generation application that reads data from the XP computer. The mapped drive properly ...
-2
votes
1answer
23 views

Uninstalled server 2008 now router won't handle DHCP

My set up is this. server behind router, router has a server and switch connected to it with multiple computers. router used to serve DHCP and DNS, a couple of days ago installed AD, DNS and DHCP on ...
2
votes
2answers
242 views

How can I define null route on Windows Server 2008 R2 Standard

How can I define null route on Windows Server 2008 R2 Standard? I've tried x.x.x.x is target ip which I'm trying to block 1.1.1.1 is non existing ip 192.168.1.1 is default gw 192.168.1.254 is non ...
3
votes
2answers
442 views

Netsh Dump missing DNS settings

I'm trying to figure out why "netsh dump" produces different scripts on 2003 versus 2008. In output below, I've used "netsh interface ip dump" to keep the length of this post reasonable. I've searched ...
1
vote
2answers
180 views

Server with 2 NICs / subnets, can't get networks to talk to each other [closed]

Here is my environment: I have 2 subnets in my environment: NetworkA 192.168.10.x is our main network with computers, servers, printers, etc. NetworkB 10.1.10.y is our facilities network with ...
-2
votes
2answers
50 views

how do I network 3 vps computers together but only have 1 computer is seen on the internet [closed]

I will have 3 vps Windows 2008R2 servers running on hyper-v. VPS 1 - data computer - what do I put for the ip? VPS 2 - sql server - what do I put for the ip? VPS 3 - rdp computer - static ip I'd ...
0
votes
0answers
26 views

Can't connect to network machine by the name specified in the DNS

I have a virtual machine in Hyper-V using an external network switch. In the network there is a Windows 2008 R2 server which is DC, AD and DNS. In the vm IPV4 settings for the NIC I'm specifying the ...
0
votes
1answer
552 views

Outbound Azure VM Internet Connectivity

I have a virtual network set up in Windows Azure that contains several servers in an Active Directory domain. The domain computers are unable to access the Internet. However, the internet is directly ...
0
votes
0answers
54 views

Cannot connect to Windows Server 2008 R2 via http, https works

I've been having a problem with my WS2008R2 server ever since I started IIS7 for the first time. I've been managing to work around it so far, because https access works normally. http, however, has ...
4
votes
1answer
83 views

Turning Dell laptop network drivers on with no network cable plugged in?

I have a rather nonstandard installation - Windows Server 2008 R2 on a Dell Latitude E6520 laptop. I want the Windows DNS server to run when the laptop starts up, but it looks like the network ...
1
vote
0answers
87 views

How do I completely remove VirtualBox from Server 2008 R2

I'm having network problems since I installed VirtualBox on a Windows Server 2008 R2 64 bits machine. I tested with iperf and the speed suddenly goes to zero for a couple of seconds once every 1 to 3 ...
0
votes
1answer
47 views

Using RRAS results in bluescreens with 1E and 3C errors on things like Ping

My whole class has a major problem with RRAS. Let me first explain the situation. For our project, we have to virtualize two servers (North and South) each represents a location of the company, and ...
3
votes
1answer
154 views

What to use instead of FTP

I get this question all the time from people who run Windows-based web servers. FTP, while ubiquitous, has numerous flaws shortcomings, not all of which can be solved simply by slapping SSL/TLS on top ...
0
votes
2answers
40 views

After DCPROMO, going to URL of website doesn't work (same as domain) due to DNS issue [duplicate]

I just created the office PDC and its the same domain name as our actual website. The problem I am having is the DNS Server does not point traffic to the correct IP address. I've experienced this ...
-3
votes
1answer
59 views

Network Monitoring - Windows Server 2008 r2 [closed]

I have a server running Windows Server 2008 R2. It's set up as a DHCP and DNS server, with RRAS, Hyper-V, RDP, IIS (Apache server, MySQL, FTP) and a few game servers. Three NICs, one out to the WAN, ...
0
votes
1answer
124 views

How to configure a Windows Server 2008 along with a router?

I have network setup like the following diagram, how do I set the DHCP in server so that user can access Windows share and also access internet? [server]<========> ...
0
votes
0answers
33 views

Packet Issue on Xen

In one of my Xen pools I am having a bit of an odd issue. Every now and then, one of my Xen hosts will randomly start having a problem and will truncate any large packets/data sent on it. For ...
2
votes
2answers
124 views

Windows server losing connectivity

A Windows Server 2008 R2 (SBS 2011 really) with Service Pack 1 started to expose a network connectivity problem all of a sudden which seems rather hard to debug: Occasionally (always during business ...
0
votes
0answers
82 views

Windows Server 2008 R2: Weekly network failure

Thought I would throw the question on here, as I'm not a seasoned sysadmin... Every Thursday (or there about) at no particular time, the server becomes unresponsive to its usual network operations ...
-1
votes
1answer
91 views

Windows Server as router + VPN

We have two locations between which we want to have secure connection. The link between those two networks is 4Gbit/s, and the problem is that our firewalls can provide VPN with maximum throughput of ...
0
votes
0answers
47 views

ping -4 and ping -6 both connect, but ping doesn't

On a Windows 2008 R2 server I'm having a strange issue with dns. nslookup, ping -4, ping -6, tracert -4 and tracert -6 all work correctly and will resolve the correct IPs. But ping and tracert ...
4
votes
1answer
52 views

Are there AD issues when reconnecting a domain server that has been disconnected for an extended period of time?

I have two Windows Server 2008 R2 domain servers located in two physical locations connected via a VPN. They are functioning normally and syncing across the VPN. However, I intend to disable the VPN ...
1
vote
1answer
237 views

Server won't respond to requests from a different subnet

This looks to me like a poor question, but I'm stumped. I have a Win2k8 R2 server that I had to move. It now resides on our 192.168.1.0 subnet, Everything seems to be fine within that subnet. It's ...
0
votes
1answer
300 views

How to configure RRAS VPN behind a DSL router on as single NIC 2008 R2

I already had this running once with an older server, but now I changed hardware and cannot get this running again (I'm more a dev than a admin). Here's my network setup: Internet | DSL Router | ...
2
votes
2answers
121 views

Application authentication via VPN

My work is going to roll out a new application (HR, Payroll, etc.) called springbrook to our remote employees. The application runs on one of our physical servers (Win 2008 R2) and to use it locally, ...
2
votes
1answer
1k views

How to retrieve the current Windows NLA network location from command-line?

We have a Windows Server 2008 R2 domain controller which always sets its NLA location to 'Network 3' after a reboot. Without fail, this defaults to Public, which screws with my Domain profile ...
0
votes
1answer
723 views

Assigning a public IP on Windows Server 2008 R2

We've recently acquired a Dell PowerEdge r420 server (2 NICs). After installing the OS (Windows Server 2008 R2), we've installed SQL Server 2008 and IIS. Now we have a public IP given to us by the ...
-2
votes
1answer
710 views

Cannot ping Windows 2008 R2 by hostname

I cannot ping the Windows 2008 R2 server by hostname from Windows XP Home machines, but I can ping it from Windows 7 Ultimate machines. I already disabled ipv6. I need to access a shared folder: ...
3
votes
1answer
926 views

What is the proper Hyper-V R2 with Teamed Broadcom BCM5709C NICs configuration (VMQ, TOE, LSO, CSO, etc.)?

I have a pair of Dell PowerEdge R710 servers (2x Xeon X5690s, 64GB, 8x BCM5709C NICs) running Windows Server 2008 R2 Datacenter. They're backed by a Dell PowerVault MD3200 with 3.6TB in RAID 10 ...
0
votes
1answer
192 views

Network traffic saturation causing failover

I have a Windows failover cluster and every time I take a remote robocopy backup from this cluster it seems like it's causing such high network saturation that the cluster monitor thinks the NIC is ...
1
vote
1answer
92 views

does changing internal dns settings interrupt network connectivity

Just a quick question. Does changing the DNS servers in the network settings on Windows server cause any interruption of network connectivity? I am pretty sure the answer is no and I have tested on my ...
-3
votes
1answer
96 views

Inspecting the E-mail traffic of a Windows Server 2008 R2 [closed]

I have seen that the IP address of my mail server has added to blocked IP address list on http://psbl.org. I am using this server for personal use. So, it is not that much of an issue that I am, as a ...
1
vote
1answer
163 views

Why cant I transfer files from my desktop to my server at full speed?

I have a desktop computer with two SSD's in RAID 0 with a read/write speed of 950 MB/sec (7.6 Gbps) and I have a server with 6 HDD's in RAID 5 (read/write speeds of 200 MB/sec or 1.6 Gbps) acting as a ...
3
votes
1answer
878 views

How do I network this Windows Failover Cluster and MongoDB Replica Set? (diagram inside)

As you can see, my two Windows Server Failover Cluster (WSFC) nodes have three network interfaces each, which connects them to three different networks : A public network A private network ...
1
vote
1answer
368 views

Connecting guest OS to host os internet connection hyper-v

When configuring hyper-v internal switch, Apart from physical lan adapter (say adapter 1), I see another LAN adapter (say adapter 2) added in host os. And we already have one virtual lan adapter in ...