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Using exmerge to move from exchange 5.5 to 2000

A site is being split with half the users remaining on exchange 5.5 in one physical location and the other half of the users being moved to an exchange 2000 new site both physical and logical.

it is possible to create the users either manually or via ADC on the 2000 server but they need the data moved with them. In order to do this I was trying to configure exmerge (the version that comes with exchange 2000)to pull the data from the 5.5 server and merge it into the 2000 server. i am running exmerge from a command line in batch mode specifying the source and destination servers. the first stage is sucessfull and the .pst file contains all the information specified however when i try to merge that onto the 2000 server i get an error in the log:

Error extracting server DN '' (CMapisession::GetInfoFromProfile)

after which the process stops. the user does exist with an empty mailbox before i try this. the rest of the log is correctly identifying the target server until that point.

Can anyone tell me what information is missing to cause this error and hpw to remedy it. I can supply the entire log file if necessary.

Thanks
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cunning
Asked:
cunning
1 Solution
 
bluezoo7Commented:
Try these options:

1. Check the DNS settings of the computer the exmerge is being run from. Use only W2K DCs with DNS installed that are used by the Exchange 2000 server.

2. See if you can manually perform the 2nd step of the exmerge process.

3. Check out these links on similar problems, but take them with a grain of salt since they are not exactly the same error.

http://support.microsoft.com/support/kb/articles/Q265/4/38.ASP?LN=EN-US&SD=gn&FR=0&qry=CMapisession&rnk=3&src=DHCS_MSPSS_gn_SRCH&SPR=MSALL

http://support.microsoft.com/support/kb/articles/Q262/3/37.ASP?LN=EN-US&SD=gn&FR=0&qry=CMapisession&rnk=2&src=DHCS_MSPSS_gn_SRCH&SPR=MSALL

BZ7
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cunningAuthor Commented:
I'll acknowledge that one as an answer. Basically it was a combination or 3 problems.

First the 2000 server had to be able to resolve itself and the 5.5 server via forward and reverse DNS. I achieved this by simply adding an entry in the local zone.

Secondly the account Exmerge is run from must not only have a direct equivelent on the 5.5 server with the same password but also have "recieve as" permission on the 2000 Mailbox store as well as its equivelent having read access to the entire Private Information Store on the 5.5 server.

Lastly the mailbox on the 2000 server must have its initial contents created. Until you either log into exchange with the account or recieve mail the folders are not generated. I just selected the whole group of users in the active directory view and used the send mail option to spam a test message.

After that ExMerge will work in either batch or interactive mode without a problem :-)

Thanks.
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