+ Post New Thread
Results 1 to 15 of 15
Windows Thread, Exchange server up in smoke in Technical; Hello all, I came into work yesterday to find that the Exchange 2003 server had moved onto a better place. ...
  1. #1
    ICTNUT's Avatar
    Join Date
    Jul 2005
    Location
    Hereford
    Posts
    1,419
    Thank Post
    196
    Thanked 249 Times in 122 Posts
    Rep Power
    62

    Unhappy Exchange server up in smoke

    Hello all,

    I came into work yesterday to find that the Exchange 2003 server had moved onto a better place.

    This does however mean that I now need to put in a new exchange server, here is the scenario:

    Exchange data is non reoverable from the drives ( only 2 were in this server and they were RAID 0 Stripped) as they were to badly damaged.

    Turns out that Exchange backups were being done to the exchange server and then moved off one a week (yeah I know) but also the exchange backups are faulty so not able to recover from those either.

    I am able to recover the the senior management mailboxes as they have local cached copies on thier PC's for which I have a tool to export so not all bad.

    QUESTIONS:

    What do I need to do with AD in order to prepare it for this new server?

    AD will still think mailboxes are linked to users, how are these removed so new ones can be created on the new exchange server?

    Any other gotchas that I need to look out for?

    I am by no means an exchange expert so any pointers would be great.

    I have a new server coming in today and will be building it up with server 2003 R2 in preperation for exchange tomorrow.

  2. #2

    Join Date
    Aug 2005
    Location
    London
    Posts
    3,154
    Thank Post
    114
    Thanked 527 Times in 450 Posts
    Blog Entries
    2
    Rep Power
    123
    Check out the Exchange 2003 disaster recovery operations document from MS. Most of this is about how you avoid disaster but there's a section "Run Exchange Setup in Disaster Recovery Mode" which talks about how you install exchange when your server is completely dead. If I've understood it properly, it will give you an empty server which is the same as the one you had before (ie it will allow users to connect to it; they just won't have any email)

    Good luck!

  3. Thanks to srochford from:

    ICTNUT (21st February 2008)

  4. #3

    Join Date
    Oct 2006
    Location
    uk
    Posts
    494
    Thank Post
    19
    Thanked 3 Times in 2 Posts
    Rep Power
    16
    Just picking up on some of what you are saying ICTNUT and i know this won't help you any but should i be using cached offline mode for those users that don't roam in case of a scenario you have experienced ocurs?

  5. #4

    SYNACK's Avatar
    Join Date
    Oct 2007
    Posts
    11,049
    Thank Post
    853
    Thanked 2,669 Times in 2,266 Posts
    Blog Entries
    9
    Rep Power
    767
    Quote Originally Posted by Uraken View Post
    Just picking up on some of what you are saying ICTNUT and i know this won't help you any but should i be using cached offline mode for those users that don't roam in case of a scenario you have experienced ocurs?
    Depends on how much email they have, the cache is stored in the user profile and so if they have lots of email it will make the profile huge. Putting the clients into exchange mode will however reduce the load on the exchange server allowing around 5 times as many clients to use the one server. It is good for laptop users that are not always connected or are connected through slow or metered links.

  6. #5
    ICTNUT's Avatar
    Join Date
    Jul 2005
    Location
    Hereford
    Posts
    1,419
    Thank Post
    196
    Thanked 249 Times in 122 Posts
    Rep Power
    62
    @Uraken: The chached email is held in thier profile so form experience I would say no, however none of the Sneior Management have roaming profiles so this is not a problem for me.

    @srochford: Thanks for the link I am looking at it now.

  7. #6
    Butuz's Avatar
    Join Date
    Feb 2007
    Location
    Wales, UK
    Posts
    1,579
    Thank Post
    211
    Thanked 220 Times in 176 Posts
    Rep Power
    63
    Raid 0!!!!! Arrgghhhhh run away!!!!

    Butuz

  8. #7
    Jona's Avatar
    Join Date
    May 2007
    Location
    Cranleigh
    Posts
    467
    Thank Post
    14
    Thanked 50 Times in 48 Posts
    Rep Power
    23
    Quote Originally Posted by Butuz View Post
    Raid 0!!!!! Arrgghhhhh run away!!!!

    Butuz
    Indeed, Raid 0 actually reduced your redundancy...

  9. #8


    Join Date
    Jan 2006
    Posts
    8,202
    Thank Post
    442
    Thanked 1,032 Times in 812 Posts
    Rep Power
    339
    Quote Originally Posted by Jona View Post
    Indeed, Raid 0 actually reduced your redundancy...
    worse, it can double the probability of failure

  10. #9
    Jona's Avatar
    Join Date
    May 2007
    Location
    Cranleigh
    Posts
    467
    Thank Post
    14
    Thanked 50 Times in 48 Posts
    Rep Power
    23
    Well yeh the double probability of failure is what reduces it, so raid 0 is actually less "redundant" than a single hard disk. Although it is fast so I guess a resonable stratergy is you have robust backups stored elsewhere.

    Jona

  11. #10
    ICTNUT's Avatar
    Join Date
    Jul 2005
    Location
    Hereford
    Posts
    1,419
    Thank Post
    196
    Thanked 249 Times in 122 Posts
    Rep Power
    62
    Just to point out that this was a server put in place before I got here, yes i did know about the RAID 0 (and the problems it can cause) but with no spare servers (nor the money to buy them) left me with no option but to leave it as it is.

    Anyhow new HP Quad Core Zeon with 4GB Mem and 4 x 146Gb 15K drives has turned up and is now in the process of having Server 2003 R2 installed on it.

    Just need to work out how to remove all the old exchange stuff from AD first.

  12. #11

    SYNACK's Avatar
    Join Date
    Oct 2007
    Posts
    11,049
    Thank Post
    853
    Thanked 2,669 Times in 2,266 Posts
    Blog Entries
    9
    Rep Power
    767
    If you install the new exchange server in the existing ad structure it will pick up all of the organization settings and account information that you had set up previously as this is stored in AD. You can use the search feature to find all accounts in AD that currently have an account associated with them and use the exchange extensions (Exchange system Manager) possibly installed on your DC as well to delete the account pairing from exchange. At this point you can simply use the exchange tasks in AD Users % comps to recreate email accounts for each of the users on the new server.

    That is of course if you don't want to use the full recovery procedure which will probably end up easier.

    but with no spare servers (nor the money to buy them)
    Isn't it interesting that while everything is going some schools never have the money for anything but once the email or whatever the higherups are using breaks all of the stops are pulled out for new gear. Of course they simply ignore the fact that you have been telling them is was needing to happen for months.
    Last edited by SYNACK; 21st February 2008 at 03:05 PM. Reason: Added sarcastic but true remark about school purchasing practices

  13. #12
    Butuz's Avatar
    Join Date
    Feb 2007
    Location
    Wales, UK
    Posts
    1,579
    Thank Post
    211
    Thanked 220 Times in 176 Posts
    Rep Power
    63
    4 x 146Gb 15K drives in Raid0 is going to be DAMN fast

    Butuz

  14. #13
    ICTNUT's Avatar
    Join Date
    Jul 2005
    Location
    Hereford
    Posts
    1,419
    Thank Post
    196
    Thanked 249 Times in 122 Posts
    Rep Power
    62
    @SYNACK: Yes I agree with your comment that when it goes wrong the money is there....!

    When I add the new Server do I need to ensure it has the same name or will it treat it like a new server anyway??

    @Butuz: 3 x 146Gb RAID 5 split into 4 partitions ( 1@ 80Gb and 3 @ 65Gb), 1 x hot spare but will be adding more spares in April some time (new budget )

  15. #14

    Join Date
    Aug 2005
    Location
    London
    Posts
    3,154
    Thank Post
    114
    Thanked 527 Times in 450 Posts
    Blog Entries
    2
    Rep Power
    123
    Quote Originally Posted by SYNACK View Post
    Depends on how much email they have, the cache is stored in the user profile and so if they have lots of email it will make the profile huge. Putting the clients into exchange mode will however reduce the load on the exchange server allowing around 5 times as many clients to use the one server. It is good for laptop users that are not always connected or are connected through slow or metered links.
    Although the OST file is in the profile, it should be in the "local settings" bit which won't roam by default so shouldn't affect logon/off times.

    We have found that the OST file can get created in all sorts of places; part of the login script pushes it in to the "local settings" folder if it gets lost :-)

  16. #15

    SYNACK's Avatar
    Join Date
    Oct 2007
    Posts
    11,049
    Thank Post
    853
    Thanked 2,669 Times in 2,266 Posts
    Blog Entries
    9
    Rep Power
    767
    Quote Originally Posted by ICTNUT View Post
    When I add the new Server do I need to ensure it has the same name or will it treat it like a new server anyway??
    If you give the new server a different name it will simply think that it an additional server in the AD site, after removing all of the email attributes from the old server you can then delete the references to the old server out of AD by deleting the server in the System Manager console.

    I'm not sure what would happen if you added the new server with the old servers name. It will either complain, be the start of the recovery procedure or violently break exchange in AD and require a domain restore.

SHARE:
+ Post New Thread

Similar Threads

  1. Exchange Server problem
    By z4ydi in forum Network and Classroom Management
    Replies: 11
    Last Post: 19th February 2008, 03:17 PM
  2. exchange server advice please
    By filipino65 in forum Windows
    Replies: 10
    Last Post: 6th August 2007, 09:10 PM
  3. Replies: 5
    Last Post: 5th July 2007, 11:43 PM
  4. Exchange Server
    By robsmith in forum Windows
    Replies: 11
    Last Post: 31st January 2007, 01:50 PM
  5. Exchange Server
    By woody in forum Windows
    Replies: 16
    Last Post: 21st August 2005, 05:52 PM

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •