Network Load Balancing (NLB) is a component in Windows Server operating systems that load balances network traffic (sent to a cluster virtual IP address) among multiple servers in an NLB cluster.

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Windows Server 2008 NLB doesn't respond to ARP request

I have two instances of Windows Server 2008 running in Hyper-V VM's. The two instances are configured in a multicast NLB. I can ping either node from another subnet, but I get a timeout when pinging ...
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251 views

Dynamically add Server 2008 NLB Nodes

I have a small NLB cluster for Terminal Servers. One of the things we're looking at doing for this particular project (this is for a college class) is dynamically creating Terminal Servers. What we'...
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210 views

Windows Server 2012 NLB logging

Can somebody clarify to me what are the best practices when it comes to configuring logging and monitoring for Windows Server 2012 NLB. I believe there are 2 types of logging from management service ...
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357 views

Windows multicast NLB with Linux clients

I'm (on behalf of a client, anyway) having some troubles with Linux accessing a multicast NLB cluster hosted on Hyper-V (waiting for more information on what version, but I don't think the version is ...
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697 views

Network Load Balancing, intermittent port problem on Windows Server 2008

Trying to troubleshoot an intermittent problem on a Windows Server 2008 NLB. I think it might be related to an NLB issue. We are using Windows Network Load Balancing to balance load for our ...
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109 views

ARR Load Balance with two Machines - Always redirect to same Site

described steps for each setup. Created a sample Application WebShareTest , hosted the application in M1(IP 36) on port (80) and same Binary I hosted in M2(IP 210) (on port 8070) I pointed some ...
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428 views

how to install 2 simple ssl certificates on 2 web site having the same ip, in iis8?

how to add a second ssl certificate to the same server for two different web sites?. How to setup a second ip for the second web site considering that the server is balanced? more information: i've ...
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98 views

What is the easiest way to obtain a script-driven hot failover system?

I need to reconfigure a prod env to provide hot failover for a db driven web app written in Perl that is currently running on an Apache HTTPD server, on a Linux OS. The app is not designed to run in ...
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144 views

Windows Server 2008 NLB with VPS

When using network load balancing should I use a public or private IP for the node addresses? The two nodes I will be clustering have both. I have a third public IP that will be the shared IP to the ...
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361 views

Setting up an NLB cluster in Hyper-V

I am setting up a test environment in Hyper-V. All machines run windows 2008. And configured with a single network card. I have AD and SQL Server. I also have 3 web servers that I want to configure ...
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573 views

SharePoint server planing for redundancy and load balancing

I am looking into SharePoint but have some problems to understand how to plan the servers in order to get good availability at the same time as using load balancing. I have basically planned for the ...
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NLB Node Participating in Cluster But Not Listed in Manager

I have a NLB cluster that has been setup for several months and everything is working as expected. After a reboot of one of the nodes I no longer see that node in the NLB manager. It says it's "...
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WS2008R2 - Network Load Balancing and IIS - I have no idea

I'd like to avoid discussion of IIS ARR for now - it isn't essential to get NLB working. I have two computers (both in the same domain, btw) who are connected to two networks: A private internal ...
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398 views

iis 7.5 - WFF and ARR farm management

We have two test web farms (IIS 7.5). The Florida web farm has two ARR servers and two content servers. The ARR servers have WFF and NLB installed. The ARR setup uses a shared config located on a file ...
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27 views

NLB - detect service down

I am trying to work out how to use PowerShell to detect when a load balanced (NLB) Apache service is no longer accepting requests (but the service is still running). Windows NLB detect dead IIS? ...
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269 views

Microsoft Network Load Balancing - Hosts Won't Converge Simultaneously

I am running Network Load Balancing on two Windows Server 2012 R2 Datacenter VMs in a VMWare ESXi Host environment. The cluster and hosts are configured to use multicast and all are on the same VLAN ...
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35 views

Load balance 2 wireless adapters on 2 different computers (ie. w/NLB)

I have 2 physical servers running 2012R2. Each box has its own wireless nic. I also have 1 SSID to which both servers/WLANs connect to. While trying to setup NLB, I noticed the Wireless NICs didn't ...
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108 views

Load balanced iis 7.5 and one-to-one certificate mapping

I have a scenario where I need to run an application through hardware HTTPS load balancing that does round-robin. Clients will authenticate through pre-issued certificates from a standalone root CA ...
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9 views

Microsoft NLB across subnets

When putting two servers in a MS Network Load Balancing Cluster, can the two servers be on different subnets? For example... Host A - 10.10.1.1\255.255.255.0 Host B - 10.10.2.1\255.255.255....
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25 views

NLB heartbeat failing with Windows Authentication enabled on IIS

I have the following setup: 1) Several IIS instances running ASP.NET sites 2) Sites use Windows Authentication 3) NLB device is used to balance traffic between instances 4) HTTPS is terminated on NLB,...
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89 views

NLB cluster []: Timer starvation has been detected. This

we have two node NLB cluster basicly for http reguests. Server system logs have theese warnings: NLB cluster []: Timer starvation has been detected. This might be due to a denial of service attack or ...
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55 views

IP configuration for NLB / ARR servers in front of IIS web servers

Currently, I have 3 websites on a single IIS web server. I use 3 dedicated IPs (one per site) because the sites use either SSL or wildcard subdomains. Now, I want to make this environment highly ...
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199 views

Two NLB mutlicast clusters on the same VLAN processing same traffic

I have an older ISA2006 based NLB cluster which I plan to migrate to a new TMG2010 NLB cluster. I need to have both clusters active for some time during migration (with different IPs of course). Both ...