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Changing system variable temp tmp location on Exchange server

Posted on 2009-06-29
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Last Modified: 2012-05-07
Hello,
I'm attempting to change the environment system variable TEMP and TMP to a different location other than the system drive as recommended my Microsoft (http://technet.microsoft.com/en-us/library/aa996133.aspx).
The issue is that when I make this change I can no longer mount any of the mail stores. The information store is running but I get the error "An internal processing error has occurred. Try restarting the Exchange System Manager or the Microsoft Exchange Information Store service, or both.
ID no: c1041724
Exchange System Manager"
I have tried following instructions detailed here http://technet.microsoft.com/en-us/library/aa996027(EXCHG.65).aspx but without success.
The only way i have been able to fix the stores is by running a eseutil recovery and defrag.

If I switch the TEMP and TMP locations back to original and reboot, stores mount fine.

This seems like a simple change. Is there anything I need to do prior to making this change so the stores will remount?
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Question by:dfriedrich
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Expert Comment

by:debuggerau
ID: 24734316
Did you stop all exchange services BEFORE changing the locations?

And did you copy the entire contents over to the new locations before the reboot?

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Author Comment

by:dfriedrich
ID: 24735153
Yes I tried that. Same result.
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LVL 23

Expert Comment

by:debuggerau
ID: 24741640
and did you backup using ntbackup just before the cutover to flush transaction logs?
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Author Comment

by:dfriedrich
ID: 24741764
Do I need to just backup the transaction log location?

The server I am testing on before performing this in production has circular logging enabled. I thought this would mean the transactions logs are flushed.
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Expert Comment

by:debuggerau
ID: 24741964
transaction logs are only cleared after backup, the procedure we have here recommends disabling circular logging before moving, and re-enabling again after..
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Author Comment

by:dfriedrich
ID: 24742896
Ok  I followed the procedure below.

1. Enabled Circular logging
2. Backed up Information Store using NTBACKUP
3. Stopped Exchange Services
4. Created D:\System folder
5. Changed System enviromental variables for TEMP and TMP to point to D:\System\TEMP
6. Restarted server

Information Store is running but mailstores refuse to mount.

It cannot be this difficult!

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Accepted Solution

by:
debuggerau earned 125 total points
ID: 24752113
that would be both windows variables plus exchanges reg settings?

And you wrote 1. Enabled Circular logging, not Disable..

No mention of copying all temp entries over either...

Also, which version of exchange?
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Author Comment

by:dfriedrich
ID: 24759862
I'm an idiot!

When I changed the path to D:\System\TEMP I did not create the TEMP directory and copied everything from C:\Windows\TEMP to D:\System\

So the procedure is

1. Disable Circular logging
2. Back up Information Store using NTBACKUP
3. Stop Exchange Services
4. Stop AV services
5. Create D:\System\ folder
6. Change System enviromental variables for TEMP and TMP to point to D:\System\TEMP
7. Copy C:\Windows\Temp folder to D:\System
8. Restart server

Thanks for your perseverance debuggerau. Points go to you....
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Author Closing Comment

by:dfriedrich
ID: 31597825
Thanks DebuggerAU
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