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.
Questions tagged [nlb]
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NLB - Stop IIS Site 1 - Will it now alway go to IIS Site 2?
With Windows Network Load Balancer (nlb) if I turn OFF a single IIS Site on Box 1
Will traffic be automatically redirected to the same corresponding site on Box 2?
Thanks

Chris McKelt
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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 bought an ssl certificate for…

user2119955
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Misunderstanding about packet travel over NLB-Network
I'm doing a LAB about NLB(Network load balancing) on Windows Server 2008 - Unicast mode.
But I can't understand how the packet travel across the…

Hung Doan
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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 a cluster. Thus, if 2 instances of this app are…

bogdan
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Predictive vs Least Connection Load Balancing Techniques
I have a windows based desktop application that communicates via TCP to the application servers. (windows 2003). No sticky sessions between client calls. We have exactly 2 servers to load balance and we are thinking to use a F5 hardware NLB.
The…

Mani
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Windows Load Balancing over many subnets; how many IP addresses are required
I have two hosts that have an interface in 4 different LAN subnets (no WANs apply here).
10.1.1.x
10.1.2.x
10.1.3.x
10.1.4.x
Assume that each subnet will need a local service of x.x.x.9 as the desired service to be load balanced. Also assume the…

makerofthings7
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Routing dilemma in resilient multi-location web app infrastructure
In need of some help with understanding/resolving a routing challenge we're faced with – here is the scenario/assumptions:
A web application is running which is hosted in 2 physical locations, Locations A and B
Traffic either enters through…

Chris
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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 internet - which the NLB cluster should receive…

bbqchickenrobot
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How to make our web infrastructure more redundant?
We have a single dedicated web server that we pay for monthly from a hosting provider. This server runs Windows Server 2008 Standard Edition with IIS and SQL Server 2008.
We have a few websites that run on this server. The websites and databases…

willem
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Communicating from a set of load-balanced Windows servers back to the same set of load-balanced servers
We have a set of load-balanced (using Microsoft NLB v6.1) Windows servers (Windows Server 2008 R2) with IIS7 that host a range of web applications. These web applications do a lot of web service requests to external web services, which is fine.
We…

Asbjørn Ulsberg
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Network Load Balancing problem
Summary
I have two machines in an NLB cluster. If I shut-down one machine (to simulate failure) then the second doesn't take-up the load. I'm looking for help in diagnosing the reason for this.
Details
I have built a test/staging system consisting…

andyjohnson
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ISA Server NLB and HTTP 403 errors
I have an ISA Server 2006 Enterprise Edition NLB array and, intermittently, users connecting through one of the two servers get an ISA Server 403 (Forbidden) error message:
Technical Information (for support personnel)
* Error Code: 403 Forbidden.…

Richard Gadsden
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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 in an NLB cluster.
Question is do I need to setup…

Shiraz Bhaiji
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Can't browse computer via nlb cluster name
I have a fileserver nlb cluster, currently set to single affinity, made up of 2 2008R2 servers. We switched the primary node today. Now our Windows XP workstations can't browse to the cluster name (i.e. \fileserver) but can browse to the cluster…

peg_leg
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Dual SMTP Server issue with Unicast Network Load Balancing
Using two servers with NLB, each box contains IIS and a mail server.
Server1 is the primary
Server2 runs the backup mail server
The problem is the web app sends email to ourselves. When mail is sent from Server2 (via its own SMTP server) to…

Marcus
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