Password protected connections in server 2008 r2

I need to block unsecured connection(workgroup laptop or device accessing my file from server) whenever any device access my server with  \\server then page open automatically without asking username and password. There are shared folder in it with everyone full permission but still it should ask for credentials.

I want to protect it from workgroup computers accessing the files
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David Johnson, CD, MVPOwnerCommented:
password protected shares is the default but clients can save their credentials for access the next time.
Gagandeep Singh RawatAuthor Commented:
no i have fresh new windows 7 laptop, and it got connected with server without submitting credentials
David Johnson, CD, MVPOwnerCommented:
you must have only everyone in the ntfs file permissions for that share or using the same username/password
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Gagandeep Singh RawatAuthor Commented:
Another server have same properties of this server but that does ask for Credentials.

I tested out now, but same result.
Faisal KhanCommented:
you need to look at at individual shares one by one on that page. Here i can help you with. Just try it on one of the folder and see the results.
1. Login to server

2. Check 'Share permissions' for a folder. This you can find under 'Sharing' tab when you look at a folder's properties window. You need to give Full permission to everyone.

3. Now, check NTFS permission of each folder. This you will see under 'Security' tab. Here you have to allow those uses who need access to this share. remove otheres. Remove everyone if you dont want everyone to have access to this folder.

Remember, there are two types of permissions you are playing with; Share permission and NTFS permissions. It is always confusing to find out which permission will be the final(affective) permission. The thumb rule is

"Most restrictive permission will be the affective permission"

For example. if you give full "Share" permissions to a user "A" but only Read permissions on NTFS (security tab), then user will have the most restictive permission which is "read" in this case.

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Seth SimmonsSr. Systems AdministratorCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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Windows Server 2008

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