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1.What is basic difference between proxing & redirection in CAS 2010 ?

2. How to identify cas proxiying configuration by shell command?
Kevin-jamesAsked:
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Sushil SonawaneConnect With a Mentor Commented:
If  you have mulitple exchange servers available in domain that time you can use CAS proxing OR CAS Redirection.

CAS Proxing:

In this scenario you have one internet facing server and remaining non-internet facing server.

one Client Access server as an Internet-facing server and have that server proxy requests to Client Access servers in sites that have no Internet presence. The Internet-facing Client Access server then proxies the request to the Client Access server closest to the user's mailbox.

CAS Redirection :

If you have mulitple internet facing CAS server and it locate different AD site. that time user access through Outlook Web App an Internet-facing Client Access server in a different Active Directory site than the site that contains their mailbox can be redirected to the Client Access server in the same site as their Mailbox server if that Client Access server is Internet facing. When an Outlook Web App user tries to connect to a Client Access server outside the Active Directory site that contains their Mailbox server, they'll see a Web page that contains a link to the correct Client Access server for their mailbox. This is known as manual redirection. In Exchange 2010 SP2, administrators can configure cross-site silent redirection to enable this redirection process to happen without the user’s knowledge.

CAS Redirection mostly use for Outlook web app user.


Both are differenet technology
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
What is basic difference between proxing & redirection in CAS 2010 ? - Below article explains everything

Understanding Proxying and Redirection
http://technet.microsoft.com/en-us/library/bb310763.aspx

- Rancy
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Sushil SonawaneCommented:
1.What is basic difference between proxing & redirection in CAS 2010 ?

Please refer below link to understand proxing and redirection in cas 2010.

(http://technet.microsoft.com/en-us/library/bb310763.aspx)
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Kevin-jamesAuthor Commented:
i was reffered already this artical.

I am looking for answers

1.What is basic difference between proxing & redirection in CAS 2010 ?

Please refer below link to understand proxing and redirection in cas 2010.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
In proxying your OWA or connection would simply be send to other site internal server.

In proxying only one CAS server is Internet facing where as in Redirection all site CAS would be Internet open.

In proxying you wont get a differnt logon page whereas in Redirection if you put USCAS and your on AUSCAS you will get some information and have to go to AUSCAS and cannot login with USCAS.

- Rancy
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Kevin-jamesAuthor Commented:
Good

What about

2. How to identify cas proxiying configuration by shell command?
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
One way is to check if CAS Array or server has external URL published from Each site .... if so they are open for External contact and its Redirection if only one site is open it will Proxy to other site.

- Rancy
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Kevin-jamesAuthor Commented:
How the cross forest CAS proxy is working, and what about the internal proxying between different Active Directory sites.
 
Describe the internal flow of CAS proxying
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Manpreet SIngh KhatraConnect With a Mentor Solutions Architect, Project LeadCommented:
Lets keep this USCAS and AUSCAS.
USCAS is the one only open to internet and AUSCAS works internally.

When a request comes from internet for USCAS it check with the credentials\alias and checks where this user\mailbox resides and AD site associated it then checks for the CAS servers in that site and checks if it has a internet facing URL if so its redirection and will send the URL to user to check if not it passes the query to the AUSCAS and it then supplies the information that user gets.

- Rancy
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Kevin-jamesAuthor Commented:
What is USCAS and AUSCAS ?
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
USCAS and AUSCAS is just example of CAS name in different Sites :)
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Kevin-jamesAuthor Commented:
In CAS proxing between the cross forest internal, were this cross forest informationn is stored to proxy the request.
 
Whether it stored in the AD or in the Virtual directory of CAS
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
CAS proxy is more of one forest thing ..... SCP attribute in AD.
External and Internal URL can be seen in EMC.

- Rancy
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