If you are using MS Exchange Server 2003 and you have ever wanted to hide a selection of public folders or just one.This can be done by using security groups. The advantage of using security groups is that you can manage who has access to the public folder very easily. Before i start to explain a few things need to be set up first.
Your exchange server must be running SP2
Create a security group making sure that you also create a email account with it also.(This is the group you will use to set the permissions on the Public folder)
The end result of this is so that you can hide a public folder from multiple users.
Lets start Load up Exchange System Manager and navigate your way to Public Folder. Now right click the public folder you would like to manage who can see it. From the tabs on the top go to the Permissions tab. You will now have three options the only option we are interested in is Client Permissions. Within client permissions is where it all happens this is where you can set permissions for a single user or add a group. We are going to use groups as it is more manageable. Next we need to change the Roles of Anonymous to None we must also untick the Folder Visible box. The next section we add the group that we are going to use to hide the public folder to do this click the add button find the group in the list and click add. Now to set the roles of the group to None and also untick the Folder Visible box.Navigate your way out of the menus by clicking OK The Public Folder will now be hidden from the users in the group. There is one final step and that is to hide the Group from the global address list (GAL). Open the properties of the group in active directory and click on the Exchange Advanced tab then tick the option to Hide group from Exchange Address list. I have attached a video also.
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First things First!
1) you always going to have problems with exchange servers, or migrations. ** systems are not perfects**
2) You can migrate the emails to the new server, but, if only are in the correct version of Exchange 2003.
3) if backup is damage or fail, you lost everything.
4) try to reinstall the Server, and all utilites, is better, I know takes more time, but is better because you created yourself.
I suggest you to install from scratch!