I see
many people confused about AAMs, their role and their usage. Therefore, I
decided to write a post about them and explain in clear English what
are they, when to use them and where to define them.
What AAms are?
AAMs are different urls mapped to the same application in order to give access to the same content using different zones. We cannot talk about AAMs without talking about web application zones. Each SharePoint web application can have five zones : Default, Internet, Intranet, Extranet and Custom. Each zone can have its own authentication provider. For example, Integrated windows authentication for the Default zone, Anonymous access for the Internet zone and Form based authentication for the Extranet zone. All the five zones share the same Database. i.e. the same content, but each one has its proper IIS web Site. Each zone has a public url. When we create a web application, the default zone is created. Let's say "http://default.mycompany:80". Then, we can extend this web application to the four remaining zones if we need to. For our example, we will extend our web application to the Internet zone "http://www.mycompany.com" and the Extranet zone "http://extranet.mycompany.com".
When to use AAMs?
Suppose that for convenience, I want my internal users to access the default zone using a more simplified url. What to do? Create a new AAM (http://mycompany) and map it the default zone. Now, the default zone can be accessed using whether http://mycompany or http://default.mycompany:80.
Suppose again that my company has been sold to a rich man. The urls I created for my web application are no longer valid. What to do to rename my web application urls from mycompany to hiscompany? Backup the content, create a new web application with new urls then restore the content? Yes, it could be. However, there is a better and simpler solution : AAMs. Create new AAMs, i.e. "http://default.hiscompany:80", "http://mycompany", "http://www.hiscompany.com" and "http://extranet.hiscompany.com" and map each url to the appropriate zone.
Where do I define these AAMs?
I'm glad you asked! Go to Central Admin > Operations > Alternate Access Mappings, under the Global Configuration section.
It goes without saying that the urls we are talking about must be first defined in the DNS and IIS.
I hope I have shed more light on AAMs by now. Nevertheless, if you have any question, feel free to ask.
Hope this post is helpful.
Reference:
http://spbyexamples.blogspot.in/2009/08/sharepoint-alternate-access-mappings.html
What AAms are?
AAMs are different urls mapped to the same application in order to give access to the same content using different zones. We cannot talk about AAMs without talking about web application zones. Each SharePoint web application can have five zones : Default, Internet, Intranet, Extranet and Custom. Each zone can have its own authentication provider. For example, Integrated windows authentication for the Default zone, Anonymous access for the Internet zone and Form based authentication for the Extranet zone. All the five zones share the same Database. i.e. the same content, but each one has its proper IIS web Site. Each zone has a public url. When we create a web application, the default zone is created. Let's say "http://default.mycompany:80". Then, we can extend this web application to the four remaining zones if we need to. For our example, we will extend our web application to the Internet zone "http://www.mycompany.com" and the Extranet zone "http://extranet.mycompany.com".
When to use AAMs?
Suppose that for convenience, I want my internal users to access the default zone using a more simplified url. What to do? Create a new AAM (http://mycompany) and map it the default zone. Now, the default zone can be accessed using whether http://mycompany or http://default.mycompany:80.
Suppose again that my company has been sold to a rich man. The urls I created for my web application are no longer valid. What to do to rename my web application urls from mycompany to hiscompany? Backup the content, create a new web application with new urls then restore the content? Yes, it could be. However, there is a better and simpler solution : AAMs. Create new AAMs, i.e. "http://default.hiscompany:80", "http://mycompany", "http://www.hiscompany.com" and "http://extranet.hiscompany.com" and map each url to the appropriate zone.
Where do I define these AAMs?
I'm glad you asked! Go to Central Admin > Operations > Alternate Access Mappings, under the Global Configuration section.
It goes without saying that the urls we are talking about must be first defined in the DNS and IIS.
I hope I have shed more light on AAMs by now. Nevertheless, if you have any question, feel free to ask.
Hope this post is helpful.
Reference:
http://spbyexamples.blogspot.in/2009/08/sharepoint-alternate-access-mappings.html
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