Network Load balancing for Server 2003 and Server 2012

Our environment currently has 2 web servers running Windows Server 2003 with Network Load Balancing. We are looking to update the servers to Windows Server 2012. Is it possible to add Windows Server 2012 into the Windows Server 2003 Network Load
balancing cluster? This way we could bring up 2 new servers add them into the network load balancing and then take out the 2003 servers without disrupting our production.
Any thoughts or suggestions on how to make this work properly?

Hi,
You can upgrade an existing Network Load Balancing (NLB) cluster to Windows Server 2008, Windows Server 2008 R2, or Windows Server 2012 by taking the entire cluster offline
and upgrading all the hosts, or you can leave the NLB cluster online and perform a rolling upgrade. A rolling upgrade entails taking individual cluster hosts offline one at a time, upgrading each host, and returning the host to the cluster. You continue upgrading
individual cluster hosts until the entire cluster is upgraded. A rolling upgrade allows the cluster to continue running during the upgrade.
The related KB:
Upgrading an Existing Network Load Balancing Cluster
http://technet.microsoft.com/en-us/library/cc731691(v=ws.10).aspx
Hope this helps.
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Network Load Balancing for AFP Sharing

Dear all,
Anyone can kindly teach me how can I configure network load balancing with 2 xserve?
Currently I success to bond 6 ethernet port with a virtual IP in a single machine and I have a link aggregation setup in my switch. It works fine.
How to configure 2 xserve with 6 ethernet port per each to have a single virtual IP?
my switch do not support link aggregation with a virtual IP to do the load balancing so I just can consider to do it in software level.
Anyone know whether OS Leopard/Snow Leopard can do it? Or any suggestion for 3rd party software can perform this?
Thanks expert!
Karl

It sounds like you need a load balancer. There's nothing built-in to Mac OS X Server that's going to support one virtual IP address shared across multiple physical servers.
Your problem, though, is likely to be one of throughput - I don't know any cheap load balancers that will sustain that kind of throughput, so you may be looking at some serious $$$$s.
There are some software-based load balancers that might be able to handle the load balancing side of things but many of them are designed around HTTP so might not work so well for other protocols.
In addition, the software load balancer is going to suffer the same bottleneck as your AFP server, but doubly so - two servers with 6 x 1gbps links each you have a theoretical limit of 12gbps.
To run that through a load balancer, the load balancer will need double that - 12gbps for the client-side, plus 12gbps for the server side. In reality you're probably looking at needing 10gbps interfaces and switches if you're really pulling that much bandwidth.

Network load balancer for Agentry applications

Hi Expert,
I'm going to implement a SAP Mobile Platform solution that will use an agentry application and I need some clarification about the HA configuration and the usage of the network load balancer and relay server. Just for information I'm going to use SMP 2.3 SP4.
My understanding is that Relay server is a reverse proxy and load balancer for SMP but It can't be used for the agentry applications. Is this correct?
Based on the standard configuration in order to balance the load of the client devices in the SMP cluster I have to use a Network load balancer, therefore the technical architecture of my solution should be the following:
|Agentry Client device| ----> | Network Load Balancer | ----> | SMP and Agentry Cluster| -----> |Back end systems|
Is this correct? I didn't find specifications about the Network load balancer.. Is there a list of the Network load balancer products supported from SAP for agentry application. Is there any best practice on the network load balancer?
Thank you in advance for you collaboration.
BR
g.
Tags edited by: Michael Appleby

Because we don't test any directly with our QA we don't have have a preferred products. Talking to our consulting group they normally just use what the customer already has installed in their network. Both Software or hardware load balancers has been used.
The key part needed for the load balancer for Agentry 6.0.x and SMP 2.3 (not SMP 3) that it is set to TCP Pass through.
Stephen

How to enable Network load balancing for Enterprise portal

Hello,
We have installed EP 7.0 central instance(00) and dialog instance (01) and would like to enable network load balancing between these two EP servers.Have installed network balancer and the configuration has been done at network level.
The below URLs are being used for accessing the portal
Central instance :
http://CIhostname:50000/irj/portal
Dialog Instance:
http://DIhostname:50100/irj/portal
Both the port number has to be same for enabling load balancing.In order to acive this we have to map this port to http port by making some changes in Visual Administrator.
Can you please let me know step by step procedure or any link where i can find the same?
Appreciate your response
Thanks,
Vadi

Dear Jay,
Thnaks for your reply.
No...NLB will helpful in load balancing between different 2 different application (Ep)servers.
We are using microsoft network load balancer.Found the service http provider in VA for making those changes.
Any way thanks.
Regards,
Vadi

Network Load Balancing between SharePoint 2013 App server and WFE

Hi,
Can we do NLB between SharePoint 2013 App server and WFE Server ?
Below is our Architecture,
1. WFE Server (1)
2. APP Server (1)
3. Database Server
4. Domain Controller
We have configured NLB but, when we stop IIS on APP server, SharePoint 2013 web app link is not working.
is it possible ?
Please help us

You can do NLB between WFE and APP server however make sure that web application service is started from central admin which host sharepoint sites.
Why do you stop IIS on APP server, definitely it will not be able to host web app sites. rather you can just disable APP node on NLB to test it.

Using Microsoft Network Load Balancing for Livecycle ES 2/2.5 with JBoss clustering?

Hi,
Has anyone tried using Microsoft NLB for Livecycle with JBoss clustering and get it working? Able to login to livecycle's admin ui page with the NLB IP
My enviroment:
- 2 jboss application server (different IP address)
- Horizontal clustered
- LC ES2 installed on both servers
For those who setup successfully, hope you can share your experience.
Thank you.

Thanks!
Just a few more questions...hehehe
In the document: Configuring LiveCycle ES2 Application Server Clusters Using JBoss.
Page 35 item 3.4. Have you had to configure the Caching Locators? If yes, where did you put them, in only one machine or in all of the nodes?
On page 29, iten 2.7 (Testing the JBoss Application Server cluster) says that for testing we can run the command specifying the server, in my case is:
run.bat -c lc_sqlserver_cl -b <ipAddress>
But in the Appendix C: Configuring JBoss as a Windows Service, it says: call run.bat -c all -b <ipAddress>
So when should I start JBoss with "lc_sqlserver_cl" or "all" ?

Installing 2 Application server and 1 DB server and load balancing for 11i

Hi,
I need info on how to install and configure load balancing for 11.5.8 on Win2000. The scenario: 1 db server DB, 2 apps/web/forms servers AP1 and AP2. Using rapid install you can only specify one db server A and one form server in multi node installations, right? How do I install the form server on AP2? Can I use the same config.txt? The computer name for AP2 is different.
Thanks & Regards,
Jagal

I have the very same issue. We want to install 4 web/form servers on a hardware load-balancer and the issue is we can only specify one forms server.
Does anyone know the secret bullet here?
Thanks
John

Windows Server 2012 R2 - ADFS/Windows Network Load Balancing Converging Issue

Hello,
My name is Brandon. We have started upgrading our servers to Windows Server 2012 R2. We have some powerful servers for running ESXI 5.5 as the OS with the Guest Operating Systems as Windows Server 2012 R2. As far of our migrations/upgrades we have configured
ADFS 2012 R2 into a Server Farm with Windows Network Load Balancing to add redundancy in the event a server goes down.
I have been having issues with a Node with the Cluster getting stuck in the Status of Converging. The only way I have been able to get it back up is to restart the virtual server completely and it is temporary. When I first configure the Cluster the two
virtual servers get added to the Node with no problems and fully converge. However, after some time a node will end up in Converging and this takes Authentication for ADFS down as the nodes can not be contacted over Port 443.
Error: Host: server.domain.com Unable to connect to "server name"
System
Provider
[ Name]
Microsoft-Windows-NLB
[ Guid]
{F22AF71F-C4C3-425D-9653-B2F47B85DD30}
EventID
21
I have tried using 1 & 2 Virtual NICs on the machines and still end up with communication issues. Could someone assist me with why I am having this issue? This is not an issue with a firewall. If it was a firewall it would never communicate the first
time. Has anyone had experience with a similar configuration and how were you able to make it work?
Below is my configuration.
Static ARP Entry for Cluster IP Address has been added to our Layer 3 switch.
Physical Server 1:
ESXI 5.5 HOST
1 NIC CONNECTED (shared with virtual guest)
IP ADDRESS: 192.168.0.5
SUBNET: 255.255.255.0
DGW: 192.168.0.1
Virtual Server 1 (Guest OS)
Physical Server 2:
ESXI 5.5 HOST
1 NIC CONNECTED (shared with virtual guest)
IP ADDRESS: 192.168.0.6
SUBNET: 255.255.255.0
DGW: 192.168.0.1
Virtual Server 2 (Guest OS)
Virtual Servers
Virtual Server 1
MS SERVER 2012 R2 (VIRTUAL)
NLB NODE 2
VIRTUAL NETWORK ADAPTERS
VNIC1 IP ADDRESS 192.168.0.10
SUBNET: 255.255.255.0
DGW: 192.168.0.1
VNIC 2 (NLB)
IP ADDRESS: 192.168.0.11
SUBNET: 255.255.255.0
Virtual Server 2
MS SERVER 2012 R2 (VIRTUAL)
NLB NODE 2
VIRTUAL NETWORK ADAPTERS
VNIC1
IP ADDRESS 192.168.0.20
SUBNET: 255.255.255.0
DGW: 192.168.0.1
VNIC 2 (NLB)
IP ADDRESS: 192.168.0.21
SUBNET: 255.255.255.0
Cluster Configuration/Properties
CLUSTER PROPERTIES CLUSTER IP: 192.168.0.30
CLUSTER SUBNET: 255.255.255.0
FULL INTERNET NAME: FS.DOMAIN.COM
CLUSTER OPERATION MODE: MULTICAST
PORT RULES:
CLUSTER IP ADDRESS
START
END
PROTOCAL
MODE
PRIORITY
LOAD
AFFINITY
ALL
80
80
BOTH
MULTIPLE
EQUAL
NONE
ALL
443
443
BOTH
MULTIPLE
EQUAL
NONE
CLUSTER NODES:
1.) SERVER1.DOMAIN.COM
a. IP: 192.168.0.11
2.) SERVER2.DOMAIN.COM
a. IP: 192.168.0.21

Hi,
According to your description, my understanding is that：2 ESXI 5.5 physical devices (192.168.0.5 and 192.168.0.6), each of them has a virtual WS 2012 R2(192.168.0.10 and 192.168.0.20). Cluster the 2 virtual servers successfully, but they corrupt with event
ID 21, and a restart of virtual device will resolve this problem temporarily.
Event ID 21 means that NLB failed to converge due to inconsistencies in the port rules between this host and cluster host. This will occur if the number of port rules or the type of port rules are different between hosts.
Ensure that all NLB hosts have identical port rules. Detailed steps you may reference:
Event ID 21 — NLB Port Rules Configuration
https://technet.microsoft.com/en-us/library/dd364034%28v=ws.10%29.aspx?f=255&MSPPError=-2147217396
Best Regards,
Eve Wang
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[email protected]

Windows Server 2012 R2 - Windows Network Load Balancing Converging Issue

Hello,
My name is Brandon. We have started upgrading our servers to Windows Server 2012 R2. We have some powerful servers for running ESXI 5.5 as the OS with the Guest Operating Systems as Windows Server 2012 R2. As far of our migrations/upgrades we have configured
ADFS 2012 R2 into a Server Farm with Windows Network Load Balancing to add redundancy in the event a server goes down.
I have been having issues with a Node with the Cluster getting stuck in the Status of Converging. The only way I have been able to get it back up is to restart the virtual server completely and it is temporary. When I first configure the Cluster the two
virtual servers get added to the Node with no problems and fully converge. However, after some time a node will end up in Converging and this takes Authentication for ADFS down as the nodes can not be contacted over Port 443.
Error: Host: server.domain.com Unable to connect to "server name"
System
Provider
Name]
Microsoft-Windows-NLB
Guid]
{F22AF71F-C4C3-425D-9653-B2F47B85DD30}
EventID
21
I have tried using 1 & 2 Virtual NICs on the machines and still receive this error even if only 1 VNIC is assigned to the virtual machine. Could someone assist me with why I am having this issue? Has anyone had experience with a similar configuration
and how were you able to make it work?
Below is my configuration.
Static ARP Entry for Cluster IP Address has been added to our Layer 3 switch.
Physical Server 1:
ESXI 5.5 HOST
1 NIC CONNECTED (shared with virtual guest)
IP ADDRESS: 192.168.0.5
SUBNET: 255.255.255.0
DGW: 192.168.0.1
Virtual Server 1
Physical Server 2:
ESXI 5.5 HOST
1 NIC CONNECTED (shared with virtual guest)
IP ADDRESS: 192.168.0.6
SUBNET: 255.255.255.0
DGW: 192.168.0.1
Virtual Server 2
Virtual Servers
Virtual Server 1
MS SERVER 2012 R2 (VIRTUAL)
NLB NODE
2 – VIRTUAL NETWORK ADAPTERS
VNIC1
IP ADDRESS 192.168.0.10
SUBNET: 255.255.255.0
DGW: 192.168.0.1
VNIC 2 (NLB)
IP ADDRESS: 192.168.0.11
SUBNET: 255.255.255.0
Virtual Server 2
MS SERVER 2012 R2 (VIRTUAL)
NLB NODE
2 – VIRTUAL NETWORK ADAPTERS
VNIC1
IP ADDRESS 192.168.0.20
SUBNET: 255.255.255.0
DGW: 192.168.0.1
VNIC 2 (NLB)
IP ADDRESS: 192.168.0.21
SUBNET: 255.255.255.0
Cluster Configuration/Properties
CLUSTER PROPERTIES
CLUSTER IP: 192.168.0.30
CLUSTER SUBNET: 255.255.255.0
FULL INTERNET NAME: FS.DOMAIN.COM
CLUSTER OPERATION MODE: MULTICAST
PORT RULES:
CLUSTER IP ADDRESS  START END PROTOCAL MODE   PRIORITY LOAD  AFFINITY
ALL    80 80 BOTH  MULTIPLE  ..  EQUAL  NONE
ALL    443 443 BOTH  MULTIPLE  ..  EQUAL  NONE
CLUSTER NODES:
1.) SERVER1.DOMAIN.COM
a. IP: 192.168.0.11
2.) SERVER2.DOMAIN.COM
a. IP: 192.168.0.21

Thank you for your response. It took me a while to figure it out, but the whole issue was related to the type of Virtual Network Adapter I was selecting.
I changed the network adapter from E1000 to VMXNET 3 and have not had a single error in the event logs or Windows NLB.
I read somewhere that VMXNET 3 is preferred for Windows Server 2012 R2.
https://communities.vmware.com/thread/433792
Leyuka       May 23, 2013 6:14 AM
"Just a help for everyone with this problem :
After 10 days of research for our virtual datacenter behind a vcloud as iias , i found a solution .
I only run windows 2012 server .
Install vmware tools , remove e1000 network card after a vm stop, add a card same vswitch etc BUT with a vmxnet3 TYPE . DONT USE DEFAULT CARD
Start and enjoy this solution . E1000 and E1000e are just unstable in windows8 / windows 2012 , the network card reset randomly with or without heavy IO. No log in windows , and as a vcloud user i don"t have esxi logs (damn i don't like cloud) and provider
don"t know why ..."

Network Load Balancing and failover for AFP Sharing

Dear all,
Somebody kindly teach me to use round robin DNS to perform the network load balancing, it's success but not the failover.
I have 4 xserve and want to do the load balancing and failover at the same time.
I have read the IP failover document and setup it successfully, but anyone know is it possible to do the IP failover for more than 2 server?
For example, 4 server serving the AFP service at the same time, maybe I have 1 more extra server to do the IP failover for thoese 4 servers.
As I know, IP failover require Firewire as the heartbeat detection. But one xserve only have 2 firewire ports. May I setting up the IP failover only by a ethernet port and an IP address? does it possible to detect and failover to any server after server down has been detected?
I believe load balancer maybe the best solution but its cost is too high.
Thanks any advance!
Karllee

well, u have 2 options here
software load balancing
request comes it foo.com -> ws7u2 hosting foo.com is configured to run as reverse proxy . this server sends any incoming requests to one of the four back end web server 7 handling your incoming request
hardware load balancing (this you need to invest)
request comes to hardware load balancer who responds for foo.com -> sends requests to four ws7 server hosting your application
you could try out how software load balancing works out for you before you invest in hardware load balancing
here is more instruction on configuring ws7 + reverse proxy (software load configuration)
- install ws7 on foo.com
- create a new configuration (choose port 80, disable java

I have a tesco router and an external hard drive attached to it as a network drive (shared) for my macbook and MB-Air. Have no problems with my MB accessing it, but with MB-AIR it says - 'the version of the server you are trying to connect to is not supp

I have a tesco router and an external hard drive attached to it as a network drive (shared) for my macbook and MB-Air. Have no problems with my MB accessing it, but with MB-AIR it says - 'the version of the server you are trying to connect to is not supported. pls contact your system administrator to resolve the problem'. MB-Air uses maverick downloaded yesterday - upgrade from mountain lion. MB uses snow leopard still, as i am quite used to it and am thinking of upgrade if mavericks work fine on air. Also have parallel on snow leopard but it is no longer supported according to mac website - if i upgrade am i going to lose my parallel and will have to buy a new one!!!

Yes, the Old Master file has a folder for each year where I find all photos from that specific year. I am attaching a screen shot of the file.
In the meantime i have managed to download all photos (it did not download any video files though in mpg, avi, 3gp, m4v,mp4 and mov format) to a new iphoto library. Unfortunately the photos are quite mixed and often doubled up. I ma considering to purchase iphoto library which checks all duplicates in iphoto. this will save me a lot of time. What do you think?

CA and Certificate Issue in ACS 4.0 For Windows 2003 Enterprise Server

Hi,
I have configured Microsoft CA server on the same ACS 4.0 for Windows 2003 enterprise server which was configured earlier using the self generated certificates for EAP and PEAP authentications.
After I change the certificate from self generated to the new CA certificate that can be viewed under install ACS certificate option on ACS server but having the following problems
1. SSL is not functioning while internet browser access to the ACS server and going through http instead of https.
2. Wireless clients are authenticated successfully even after the certificate is uninstalled.
Any help on these problems will be appreciated.
Thanks
Best Regards,
Ahmed

Hi Rohit,
Thanks for reminding the HTTPS option under Administration Control on ACS.
I have some doubts pertaining to installation of certificates on Wireless clients though it is optional for Self Generated Certificates but what in case of Mirosoft CA as I tested wireless client authentications even after removing the certificate from microsoft supplicant WindowsXP SP2 having installed the patch KB885453 for PEAP. How the certificate on wireless client works.
Is it mandatory or optional to keep certificate on Wireless Clients as they could able to get authenticated through ACS after removing the certificate.
Thanks
Best Regards,
Ahmed

Reverse Proxy and Load Balancer for SMP 2.3 and Agentry Application

Hi Expert,
I'm putting in place a mobile solution composed by SMP 2.3 SPS 4 and SAP ECC 6.0. In the SMP 2.3 I created the agentry server and I have deployed my agentry application.
My SMP/Agentry infrastructure is composed by two servers therefore I need a load balancer for balance the load into the several servers. Furthermore I need to use a reverse proxy in my DMZ zone.
Based on what indicated in the SAP note "1904213 - SAP Mobile Platform Server Release Information" the Apache Reverse Proxy is not supported for Agentry clients. Agentry uses nginx for Reverse Proxy.
I also found the following document How-to-Guide for Reverse Proxy and Load Balancing in SAP Mobile Platform 3.x that explain how to set-up a reverse proxy and load balancer with nginx and apache.
Both the SAP note and the HOW to document are refereed to SMP 3.0 and not to SMP 2.3.
I would know if the NGINX must be used also for SMP 2.3.
Any suggestion/information is appreciated.
Thanks in advance
g.

Please see Agentry Network Landscapes

Bug with Network Load Balancing Services and SkipAsSource always reverting to true

Steps to reproduce:
Add an IP address to the cluster (2 nodes running Windows Server 2012) using the Network Load Balancing Manager
Using PowerShell set the SkipAsSource flag on the IP Address to true (Set-NetIpAddress -IpAddress 192.168.1.10 -SkipAsSource $true). The flag is correctly set.
Try to reverse the setting (Set-NetIpAddress -IpAddress 192.168.1.10 -SkipAsSource $false). Flag stays as true.
It appears as though Network Load Balancing Services is remembering the setting from someone.
Things I've tried all without success (in no particular order):
Removing the IP address from the cluster and adding it back in
Using PowerShell to remove the IP address and add it back in manually (on each host).Flag stays set as true on the 1st node but takes a second before it reverts back to true on the 2nd node.
Using netsh to remove the IP address and add it back in manually (on each host). Flag stays set as true on the 1st node but takes a second before it reverts back to true on the 2nd node.
Deleting each host from the cluster (one at a time), removing the registry keys CurrentControlSet\Services\WLBS and
Removing both hosts from the cluster
Restarting the hosts
Using processmon (sysinternals) to try and find a registry entry that might be set when SkipAsSource is set
Does anyone know:
How to resolve this issue? I'm guessing resetting the TCP/IP stack would work but that's a last resort as it requires an on sight visit to the datacentre.
Where the SkipAsSource flag it stored?
How to reset the master/global cluster config?
Thank in advance,
Antony

Hi Antony,
I am trying to involve someone familiar with this topic to further look at this issue.
There might be some time delay. Appreciate your patience.
Best Regards.
Steven Lee
TechNet Community Support

Mapping issues with Server 2003 and windows 8.1 machine

We are running Windows Server 2003 and trying to map network drives through a GPO script on a Windows 8.1 machine. The drives don't get mapped and if they do, it takes them 10minutes or more to show up. The Folder Redirection is not working
as well. Any suggestions?

Hi,
This is because
by default, on client computers, Group
Policy processing is not synchronous, that is client computers typically do
not wait for the network for GPO settings to be fully initialized at startup and logon.
Solution:
Enable the
policy setting Always
wait for the network at computer startup and logon to set the client computers wait
for the network for GPO settings to be fully initialized during computer startup and user logon.
Steps to enable the Policy Setting
- Open Group Policy Management Console (start -> Run -> Type GPMC.MSC).
- Edit the required GPO and navigate to
Computer Configuration/Administrative Templates/System/Logon and enable the option Always
wait for the network at computer startup and logon
Checkout the below thread on similar problem and solution,
http://social.technet.microsoft.com/Forums/en-US/285e5a93-a5c8-4725-9067-af48bcde5c78/user-home-folder-problem?forum=winserverfiles
Regards,
Gopi
JiJi
Technologies

Network Load balancing for Server 2003 and Server 2012

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