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  Joyce Tang's Column

:: J o y c e T a n g ' s C o l u m n ::

>> Check List for Migration to Exchange 2000
Aug 2001

Are you taking on the task of migrating your enterprise Exchange server to Exchange 2000? Or are you doing research before the deployment? You would probably want to grab as much reference as possible before this monstrous task. These are several items to consider:

Site Setup - Is your Exchange 2000 computer installed into the same site that your Exchange 5.5 server and its mailboxes are? This will make the job so much easier, not to mention with the increased capacity of Exchange 2000, you can now combine your Exchange 5.5 farm into fewer Exchange 2000 servers.

Back up - Exchange administrators know that online backup is THE way to back up an Exchange server. Before your migration, be sure to perform an online backup using downlevel software of the information stores (IS) and Directory (DS) of your current servers just like your usual backup. If you use both private and public information stores, then priv.edb and pub.edb are to be backed up as well. Next is to back up your Exchange 2000 server (destination). To save time, you can just back up storage groups in which you will be migrating mailboxes into.

Moving Mailboxes - Exchange 2000 has a task wizard that will make your job easier. Once you identify which domain your Exchange 5.5 and its user accounts are, select 1 or any number of mailboxes, select which Exchange 2000 server to move to, then you may go have a cup of coffee while watching them move.

Another Back Up - What? Another one? This ensures that you have a snapshot of the server right after migration, in case you need to roll back to this point after the next step.

Moving Public Folder - This is not as easy as moving mailboxes, but there's also a tool to help you. You will need to do a replication of the public folder, which can be done using the Exchange 5.5 Administrator tool or the Exchange 2000 Manager tool.

To do it within Exchange 5.5, fire up the Administrator tool and expand the organization tree in the left pane. Expand Folders and then Public Folders. Select the folder you want to replicate and from the File menu, choose Properties. Select the replicas tab in the property page. From the Servers list, choose the server that you want to create the replica in, click Add and then OK. When completed, go back to Properties again and this time on the Advanced tab, choose the server that has the replica of the public folder, hit OK. A Performing Directory Replication dialog box will pop up and tell you that the directory is being changed and once completed, your Exchange 5.5 DS is updated with the Home Server information. Verify by pulling up the Properties page of the public folder and checking under Folder Replication Status, all replicas should be shown as in sync. <Note that the replication will take some time and you should only do this when you are certain that your Exchange 5.5 server is not to be used as a production box anymore>

To do it in Exchange 2000, fire up the System Manager and browse within the Administrative Groups, within the name of your site, you should find the public folders that you want to move, select the folder for replication. From the Action menu, click Properties and choose the Replication tab. Click Add to see a list of destination servers containing public folder databases. Choose your destination server and OK. In the Replication message priority field, remember to set it to Urgent, so you can be sure that the folder is updated once data is received. OK again and replication is in progress.

Backing up yet again - Yes, one more time as this concludes the migration of your Exchange servers. Next will be some more testing, wiping off the sweat off your forehead, be it cold sweat or not, and announce your success to the everyone list.

 

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