Solved

Problem with WNLB with virtualised CAS Servers

Posted on 2016-10-01
3
71 Views
Last Modified: 2016-10-03
Dear Experts,

I have following environment:

2 x CAS EXchange 2010 Servers
2 x MB Exchange 2010 Servers

MB Servers are configured with DAG and working fine, now i am trying to configure  WNLB on CAS Servers, The operating System i have is Windows Server 2008 R2 SP1, All Servers are in same VLAN.

Issue:
I created NLB Cluster on CAS01 and all went ok, as soon as i added CAS02 in that cluster. CAS01 cannot ping to MB 02 and CAS02 cannot ping to MB 01 and vice versa.

whereas cas 01 can communicate with MB01 and CAS 02 can communicate with MB02.

Please advise asap. i am stuck with this strange issue.
0
Comment
Question by:MCIT-Libya
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
3 Comments
 
LVL 25

Accepted Solution

by:
-MAS earned 500 total points
ID: 41824691
Hi,
FYI WNLB is not longer supported by MS Exchange team.
I strongly recommend to buy a cheap load balancer of your budget to make your systems supported by MS.
If you want to go ahead with WNLB you can reconfigure as in this article.
http://exchangeserverpro.com/how-to-install-an-exchange-server-2010-client-access-server-array/
1
 
LVL 19

Expert Comment

by:Peter Hutchison
ID: 41824891
In the WNLB console, you need to fine tune the ports to determine which ports should be load balanced and which ports are server specific. See Port Rules.
Load balanced ports: 80, 443, 25, 110, 143 etc
Server ports: ICMP for pings, File and Print sharing (SMB) etc

https://technet.microsoft.com/en-us/library/bb633031.aspx
0
 
LVL 49

Expert Comment

by:Akhater
ID: 41825911
Yous issue is due the the Hyper-Visor, you have to enable Enable MAC Address Spoofing  on the NICs from inside hyperV for that to work as shown in this picture

https://msdnshared.blob.core.windows.net/media/TNBlogsFS/prod.evol.blogs.technet.com/telligent.evolution.components.attachments/13/7308/00/00/03/27/24/60/MAC%20address%20spoofing.png
1

Featured Post

Problems using Powershell and Active Directory?

Managing Active Directory does not always have to be complicated.  If you are spending more time trying instead of doing, then it's time to look at something else. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Active Sync push Notifications do not push in a timely manner 8 33
exchange 2007 5 36
How to disable sflow Cisco nexus 9k 3 14
exchange , office 365 2 14
This article lists the top 5 free OST to PST Converter Tools. These tools save a lot of time for users when they want to convert OST to PST after their exchange server is no longer available or some other critical issue with exchange server or impor…
This article aims to explain the working of CircularLogArchiver. This tool was designed to solve the buildup of log file in cases where systems do not support circular logging or where circular logging is not enabled
This tutorial will show how to configure a new Backup Exec 2012 server and move an existing database to that server with the use of the BEUtility. Install Backup Exec 2012 on the new server and apply all of the latest hotfixes and service packs. The…
This tutorial will walk an individual through setting the global and backup job media overwrite and protection periods in Backup Exec 2012. Log onto the Backup Exec Central Administration Server. Examine the services. If all or most of them are stop…

756 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question