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Migration and Information Store problem

cytrax
cytrax asked
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Medium Priority
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Last Modified: 2008-02-01
I've added a new Exchange 2003 to our existing Exchange 2000 administrative group. All mailboxes have been moved across nicely and everyone is able to access their emails without any problem.

After moving all public folders and changing routing group to use new Exchange 2003 as master, I then decided to turn off all Exchange Services on the old 2000 server. However, some users are now complaining that they are unable to access other users' calender and inbox even though they have been delegated permissions accrodingly. The get "The information Store cannot be opened" error message. But when I turn on all services on the old Server, they gain instant access to the inboxes and calenders in question.

It's very confusing because nothing in terms of user mailboxes, nothing resides on the old server. So I guess the question is why is turning off "Information store service" on the old service is having an undesired effect on the user access. This obviously means I can't turn off the old server until this problem is fixed.

Please help!

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Cytrax
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I suppose it is because client is pointing to the old server. Just check the client on the machines the users are facing the problem.

Author

Commented:
Thanks for your reply einsteinjr79!

I have checked all the settings on the all the profiles affected and they are all pointing to the correct server. At this point in time, I'm pretty sure all the users on the network are pointing the right server. I know this because I've left the old server turned off for over a day but no one has called to complain about lack of access to their mailbox.

Cytrax
Okay if that is the case,then just try removing and giving the permissions again.It will work. I remember this problem having occured once when we did our migration.
And one more thing. Try going to Filr -> open -> Other user's folder and try opening it again.It should work.

Regards,

Einy

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Commented:
You need to do few more things before you can turn off exchange 2000 server.

I believe this exchange 2000 server was the first server in your exchange organization?

Here is the article you need to follow:

307917      How to remove the first Exchange 2000 Server computer from the site
http://support.microsoft.com/default.aspx?scid=kb;EN-US;307917


Untill you do this, all free/busy information is still pointing to the old exchange server.

Now, you also have to make sure that before you turn off the services for the old server, all users have logged on, atleast once.
This will update their profile to point to the new exchanges server automatically.

If you move mailbox, and turn off the services, before the user has logged in.

When they do try to login, they are still pointing to the old exchange 2000 server, and that server is not up to tell them to go to the correct exchange server, as only that exchange 2000 server can point the profiles pointing to it, to go to the server which is holding the mailbox.

See this article: 328810      Moving mailboxes between servers
http://support.microsoft.com/default.aspx?scid=kb;EN-US;328810

an Extract from this article:

All users must log on to their mailboxes to automatically update their exchange profiles to point to the new Exchange 2000 server. If you remove the Exchange Server computer before the users update their exchange profiles, you must visit each user desktop to manually update their exchange profile to point to the new Exchange 2000 server.



If all this fails, try creating a new profile and see if this works.

Let me know if you need additional help.

Thanks

Author

Commented:
Thanks for your reply guys.

Champ555: Thanks for the urls. I've actually resolved all system free/busy related issues and ensured all users have at least logged on once. However, I do appreciate your contribution because those steps are critical to decommisioning of old exchange servers. Old exchange server has been on and off over the past month with no real complication to users except for the aforementioned problem. Which brings me back to einsteinjr79.

einsteinjr79: I will now take a long walk from the basement to the real world to visit users to do as you've suggested. Wish me luck!

Cytrax
All the best :)

Commented:
Did you try a new profile ?

Author

Commented:
Hello guys,

OK! Everything is now working fine. I can now trash my old server... hurray!

I think the problem is relating to users trying to open other users calender using cached links. So when I'm sitting here in the basement on a power trip and then deciding to turn off the old server, the cached links on their Outlook (file -> Open...) is still pointing to the old server. So what I've done is do a refresh of the links by recreating them from scratch while all exchange services is turned off on old server.

It's amazing what seems so complex and obscure and be so darn easy. But with a site like experts-exchange, you become inspired to go back to basics instead of thinking everying has everything to do with Schemas.

I'll award the points to einsteinjr79, however, I really appreciate Champ555's your contribution.

Cytrax

Commented:
He was more closer to the correct answer ! :)

Have fun.
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