What are NETLOGON and SYSVOL shares in the Windows?

I keep seeing the NETLOGON and SYSVOL shares in windows AD environment, I would like to understand what are these and how does it function?
beer9Asked:
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Lee W, MVPTechnology and Business Process AdvisorCommented:
They are key shares for Active Directory to replicate important information such as group policies that workstations need access to.

I would suggest reviewing this http://social.technet.microsoft.com/wiki/contents/articles/8548.sysvol-and-netlogon-share-importance-in-active-directory.aspx for more information...
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Will SzymkowskiSenior Solution ArchitectCommented:
Netlogon and Sysvol are Shares that reside on ALL domain controllers.

Netlogon is the share where LogonScripts are stored and this is access by all users/computers. This is to ensure that if you have computer or user scripts this is where they reside.

Sysvol is the location where group policies reside and ALL computers and users use this directory for retrieving domain policies.

Both directories have Read Access for everyone and this is normal. In order for clients to successfully get the policies and scripts based on Group Policies they need to be able to read the contents of these shares.

If these shares are not accessible for whatever reason your AD environnent will not work, they are critical for initial logon and backgroup policy refreshes.

Will.
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Windows Server 2008

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