Exchange Backup

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Exchange Backup
Exchange Storage Group
Dear All, Can u please help me to solve my backup problem. 1.) I cannot see the backed up mailbox in dat tape thourgh ntbackup utility. 2)And in the incremental backup i see only log files not the storage group. 3) How to confirm weather the database is backed up or not. Please Help me

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Hi,
1) You won’t be able to see individual mailboxes in NT backup
2)Incremental backups are only logs.
If you want to confirm it is backed up, Do a verify when you backup and check the ntbackup logs and if you want to do it properly, restore them to a test server! If you have Exchange 2003, you can restore Mailboxes to Recovery storage groups on the live server without touching the live mailboxes!
Hope that helps…

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  • Pashya
    Hi, Before commenting about the mailbox which you could not see in the tape ,we will need some more information whether did you take the full back up or while doing backup what option did you select ? About the incremental backup, Incremental backups backup all log files prior to the checkpoint log and then delete them. Additionally, incremental backups back up all transaction log files and delete the log files that contain transactions that have been committed to the database. Restoring from an incremental backup requires that you have the last full backup and each subsequent incremental backup. If one incremental backup is damaged, you cannot restore any incremental backups made after that point as one damaged log file prevents replaying subsequent log files. It is critical that all incremental backups be restored prior to starting log file replay to prevent losing data or damaging the database. This type of backup is been made to minimize the time for backup and as well as the media you needed for it. :) Any clarification,you are always welcome!
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  • Pashya
    Hi again, Go through this link http://www.msexchange.org/tutorials/The_Exchange_Server_2000_Database_Structure_Its_always_a_rainy_day_when_youre_doing_restorations.html This site is Microsoft approved. :)
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  • Petroleumman
    Hello, The NTBackup utility is by far not the best way to go if your running a critical Exchange environment. Though it does support Exchange backups, the integrity of your backup can be questionable. To best get all your critical data you should run the backup off-line which means having to dismount the stores bringing down your Exchange services. As for the incrementals, NTBackup writes to logs which require a recent 'full' backup to successfully restore from in the event of a disaster. As you see, it can be done but not without a large amount of overhead. My suggestion to you is have your company pony up for a third party solution of which there are many. Third party options will give you multiple options to choose from which will include many degrees of granularity, some which will allow you to backup and restore right down to an individual message level. Good luck!
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  • ColinNZ
    I'm not sure where petroleumman got his infomation from - but he's been sadly misinformed. NTBackup works fine for exchange. All 3rd party products use Microsoft's NTBackup as their engine to access the exchange server. 3rd party backups simply add "bells and whistles" to NT Backup - such as the ability to backup the "system state" for multiple servers over the network. Or "Brick Backups" of individual mailboxes - not usually recommended (except for the CEO of course!). For NTBackup (or any other backup solution) to be able to backup Exchange you need to have the Exchange Admin tools installed on the backup server. Colin
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  • PeterMac
    Firstly, running NTBackup is a must with exchange, as otherwise log files tend to grow out of control. (You can use circular logging but this is not something I would reccomend). As a belt and braces operation, and to give you peace of mind, there is a utility called exmerge that you can use (Part of exchange install) intended as a migration tool from one version to another, or from one system to another, but can be used also as a backup tool, first part of merge process is to create "pst" files for all mailboxes. Suggest you read up on this, and see if it will give functionality you want. It can be set up to run as a scheduled command overnight.
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  • Antila
    Hi I must agree with petroleumman - I would never rely on NTbackup for backing up an Exchange server. Use a third party product such as BackupExec or ARCserve. They do not use NTbackup but locks into the Exchange server through the MAPI interface and therefore gives you the ability to backup and restore down to message level !
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  • ColinNZ
    You're correct about BackupExec using MAPI - however I'm fairly sure that MAPI is only used if you choose to do Mailbox level backups - which then prompt you for a username/password for a MAPI user with access to all mailboxes. (Sorry.. I only know v8 and v9 which by now are well out of date). I use and like BackupExec - my only 2 complaints about NTBackup being: 1. The lack of tape catalogues stored on the server - you need to read these off tape each time you do a restore. & 2. The inability of NTBackup to fully backup remote servers (ie System State etc of other servers on the LAN). That's where BackupExec, and it's remote agents (Windows/Exchange/Sql) come in - albeit at a cost. 2a. Ok... NTBackup does not handle open files well either. But then that's an extra option for BackupExec. .... ok NTBackup sucks... but it does actually do the job. But none of this is helping fay123456. I think that the 1st (rgoulding) and 2nd (pashya) replies pretty much answered the initial question?
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