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Exchange 2010 OWA

Posted on 2013-11-14
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Last Modified: 2013-11-15
Exchange 2010 OWA

Our OWA internal and external URLs are the same webmail.mycompany.com

in our environment if I ping webmail.mycompany.com, I get a reply, but the IP address is neither of a HUB server nor of CAS server.

I can not verify the host for that IP address. Though there is no issue with OWA, I am just trying to understand the Setup.

Any idea?

Thanks
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Question by:jskfan
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by:Will Szymkowski
Will Szymkowski earned 500 total points
ID: 39649519
Do you have a Split Brain DNS setup in your environment? If you don't have an internal Zone for your External DNS name when you ping your webmail.company.com it will go outside and them come back. Are you getting an External IP address when you try to ping webmail.company.com?

If this is the case it is also recommended that you create an Zone for your External domain name so that users do not go to the outside and back in when using OWA.

Will.
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by:jskfan
ID: 39649564
when I ping webmail.company.com, I get internal IP...I am inside the network
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by:Will Szymkowski
ID: 39649568
On that internal IP you can do ping -a <IP> and this will give you the DNS name of the server in question.

Do you have a load balancer that you are using to load balance your CAS servers? I would check your DNS records for this information. webmail.company.com can be the same IP as your CAS server but if you are using a load balancer of some sort it can be pointing to that IP as well.

Will.
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Author Comment

by:jskfan
ID: 39649599
ping -a  ipaddress would point to the same thing :webmail.company.com

I wonder if it can be an IP of CAS array  or load balancer.

how can I find out ?
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Expert Comment

by:Will Szymkowski
ID: 39649630
You do not know the IP of your CAS server? How do you login to the server? You can also check your DNS manager as well to find the CAS server name or IP address.
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Author Comment

by:jskfan
ID: 39649652
CAS/Hub installed together, so the IP of the webmail.company.com is different than CAS/Hub server
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Will Szymkowski earned 500 total points
ID: 39649692
What you can do is the following...
- Open Outlook Client
- When Outlook is open, in the system tray
- Right click the Outlook icon, Select Connection Status
- This will tell you what server/s your Outlook is connecting to, to get mail
- This will be your CAS/HUB server
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Author Closing Comment

by:jskfan
ID: 39651316
thanks
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