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New exchange 2010 installation with old exchange 2003 Infomation in Active directory

libra_ali786
libra_ali786 asked
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Hi.

i had a exchange 2003 and domain 2003, right know i was migrate the domain 2003 to server 2008 r2 with all FSMO roles. it was successful transition and i also have the plan to migrate exchange 2003 into exchange 2010 but between my exchange 2003 was crashed. My question is when i go to install exchange 2010 on new server , how can remove the previous exchange 2003 information from the active directory (ADSI edit) and where i can remove the entries exchange 2003 related?
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BusbarSolutions Architect

Commented:
yes you can remove it from adsiedit. and go with the Exchange 2010 installation
AkhaterSolutions Architect
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Commented:
why remove it from ADSIEdit ? why not simply uninsatlling exchange as you should

Author

Commented:
i need the location where these exchange 2003 entries located ?  
AkhaterSolutions Architect
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Commented:
Also keep in mind that, although a very useful tool, ADSIEdit is just to be used as last resort.

I am sure Busbar thought you said that the original server is no longer online

Author

Commented:
Yes my original server totaly dead , i bought new server and i have plane to install exchange 2010.
AkhaterSolutions Architect
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Commented:
OK I read it wrong, I didn't notice you said crashed ! Sorry guys


Open ADSIEdit.msc and connect to the CONFIGURATION partition (not the default naming context)

go to -> services-> msexchange -> organiation name -> first administrative group (or whatever it is called) -> servers and find the 2003 server name and delete it

Author

Commented:
is there any think else to need to edit and delete entries?
AkhaterSolutions Architect
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Commented:
yes you will need to delete the routing group connector

Author

Commented:
can u give me complete list of entries which need to delete or edit?
AkhaterSolutions Architect
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Commented:
in the same place
go to -> services-> msexchange -> organiation name -> first administrative group (or whatever it is called)

you should have routing groups inside it you should have a routing group

go there and share a screenshot

Author

Commented:
Akhater:

Sorry know i am going outside the office , i have one netting, i will contact u tomorrow or after tomorrow.
Thanks in advance

Author

Commented:
when i run the exchange 2010 setup i got the thses error . how i can remove these error? for to complete my installation.
pic1.png
pic2.png
AkhaterSolutions Architect
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Commented:
Hi Ali,

for the first error you need to switch to exchange native mode http://support.microsoft.com/kb/327779

for the second error can I ask you to open a new question for it just to keep this one consistent?

Author

Commented:
Akhater :

i did not delelte the Routing group .i just sending you the snap shoot as above you told me.
routing-group.png
AkhaterSolutions Architect
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Commented:
delete the first routing group

Author

Commented:
for your suggested link :  " for the first error you need to switch to exchange native mode http://support.microsoft.com/kb/327779 "

i red the link but i just remind you my exchange 2003 is crashed. then how can resolve the issue?
AkhaterSolutions Architect
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Commented:
do you need any information from your current setup or you are trying to run a clean new setup?

Author

Commented:
yes i delete the first routing group. then how can i change native? i the absent of exchange 2003?

Author

Commented:
i just want to install exchange 2010 with my exsisting setup.
AkhaterSolutions Architect
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Commented:
do you need any information from your current setup or you are trying to run a clean new setup?
AkhaterSolutions Architect
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Commented:
you will need to install exchange system manager on a computer and upgrade to native

Author

Commented:
i think i have to go for clean new setup. because it is better and fast way.

then what steps required for  clean installation?
AkhaterSolutions Architect
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Commented:
you cannot install exchange system manager on a 2003 server

Author

Commented:
because in my current scenori i have only server 2008 r2 servers exsist. thats way i go with clean installation exchange 2010 on server 2008 r2.
AkhaterSolutions Architect
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Commented:
Well you can delete the whole Microsoft Exchange tree under services but I cannot be responsible for whatever might happen to your environment after you do this.

This is not something that should be done lightly

Author

Commented:
ok. but i just want to be how many percent change the above is save. i tell little bit my scenerio my domain contrller is installed on VM before deleting the exchange tree i first make the snapshot of the server.
AkhaterSolutions Architect
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Commented:
you only have one DC?

Author

Commented:
yes, only one DC
AkhaterSolutions Architect
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Commented:
then yes you can do this

Author

Commented:
ok . i going to delete the complete exchange tree, i try to install fresh copy of exchange 2010. is there any thing i let u know.

Thanks for you prompt response and very very usefull information .
AkhaterSolutions Architect
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Commented:
no just cross your fingers, I have done it in the pas without issues but still it is not an operation to be taken lightly

Author

Commented:
know my installation going very smootly, just near to finsh. i seen in my active directory users properties every users have a email. What will step need in exchange 2010 for once again i create the emails of my all users? or old email address will work or i need to reconfigure emails for all users?

Author

Commented:
i sucessfuly completed installation of exchange 2010 and i configured the send connector. when i try to configure exsisting user emails , i can not see the  any users in the container. Why it like that? when i need to delete the users and again i create new users and its emails?
AkhaterSolutions Architect
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Commented:
no Ali you will need to recreate all the mailboxes and emails


Author

Commented:
Little confusion , what is mean "recreate all the mailboxes " ? i attached the snap shot . because i did not seen my exsisting user under this option when i select the exsisting uses. i also remove the 3 users emails in the properties of the user on domain controller and still i did not find those users.  i created new users then i am able to create the mailbox and emails.
Untitled.png
AkhaterSolutions Architect
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Commented:
Go to receipint config, mailbox any users there?

Author

Commented:
Yes i found the legacy Mailbox under receipint config. Then how can use thsese legacy users?
AkhaterSolutions Architect
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Commented:
if you try to select all right click and disable mailbox (not remove mailbox but disable)

Author

Commented:
Yes. I got the way to make enable email users.

Thanks.

My last question regarding the above you told me "do you need any information from your current setup " if i was go with that option you told me to " install exchange system manager on a computer and upgrade to native"  . is mean  prepare the on system windows 2003 and install exchange 2003 or is there any specif option wich i need to be installed?
AkhaterSolutions Architect
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Commented:
no you should have only installed the system manager to be able to switch to native mode

Author

Commented:
After install the system manager and switch to native mode , how long  i keep this system which i installed ?
Solutions Architect
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Commented:
you can delete it directly

Author

Commented:
Thanks, know i close the question . Once again Thanks

Author

Commented:
Very nice way to resolved the question.

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