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Questions tagged [windows-nlb]

34 questions
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Windows Server 2008 R2 Network Load Balancing no balance

I set up a NLB cluster given two servers (WS 2008 R2). Each server has one NIC card which I set up for a static ip address. I assigned the cluster an internet name (MyCluster), and assigned it a static ip address. The third box is acting as a client…
sOltan
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Does Windows Network Load Balancing require any specific ports to be open?

I have two Windows 2012 servers, joined in a Windows Network Load Balancing cluster. I have been trying to find how the NLB heartbeat message is exchanged between those servers (to make sure it will not be blocked by anything on the production…
rinspy
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Network Load Balancing 2003 to 2012 R2 Upgrade

We currently have a 3 node windows 2003 NLB cluster running in Multicast mode, for a IIS web cluster. We want to upgrade to 2012 R2. About 15 sites/IP addresses total. Can you run 2012 R2 nodes in the same cluster as 2003 nodes (6 nodes total)?…
FredS
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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? thread mentions that there are scripts but the link…
eddie
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1 answer

Network load balancing across multiple windows versions

We've currently got a Windows NLB setup between a couple of 2008 R2 servers. One of them is about to be replaced by new hardware and I'm wondering whether I can safely install Server 2012 on the new box, and have it join the 2008 R2 NLB cluster? Or…
Mark S. Rasmussen
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Network Load Balancing Windows server 2008

I have a questions about load balancing configurations. Maybe someone already asked this question but I didn't find something similar on the web. The Actual Configuration is . I Have two servers that I want to load balance. Server 1 has two NIC…
user92033
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1 answer

Unable to connect to non-primary ADFS farm member

We have had a 2012 R2 ADFS farm deployed for some time. When changing the web theme for the ADFS config today, I have noticed I was unable to connect to the secondary server in our farm from my workstation using its FQDN. The primary server I can…
James Edmonds
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Microsoft NLB (Network Load Balancing) and the OSI Layer

I'm unable to track down in the documentation at which layer MS NLB operates at. I'm pretty sure it's unable to interpret Application Layer 7 traffic, for example knowing that HTTP 503 is actually an outage. In my understanding it sits somewhere on…
Jaans
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Windows NLB is not forwarding UDP

I have setup Windows NLB which works fine with http. But it is not forwarding the UDP reply to the client. Backgroud: NLB - 192.168.1.10 Host1 - 192.168.1.11 Client - 192.168.1.5 I am forward all the ports including UDP and TCP protocols. But…
Purushoth
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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 and network driver. One of them (not sure which)…
Mikhail
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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 and have both a dedicated LAN card as well as an…
user303171
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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 show up. I was wondering why (ie. technically) it…
amatesi
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NLB ARR cross-node setup

Given: one ASP.NET web application 2 Windows servers with IIS installed (no more servers allowed) I want to enable load balancing / failover for that application, on both server and application levels. My plan is: 1) Install the web application on…
Maxim Gueivandov
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2 answers

How to synchronize applications between two terminal-service servers?

We have two terminal-service server and we use Network Load Balancing (NLB) to cluster this two terminal-service servers together. We need to have the same applications installed on the two servers, because if one user who uses the terminal is…
Eduard Florinescu
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Network Load Balancing cluster for DFSR hub servers?

I have one DFSR hub server with about 80 connections to 80 remote offices. I want to add another hub server for load balancing and redundancy, but I don't want to split the connections between the two hub servers. I don't like the idea of having to…
red888
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