Best Practice Ezine #39 –
Lookout, XP and Exchange LookOut*
Before going onto Exchange, just to remind you of my previous OutLook / LookOut tip. LookOut does for OutLook what Google does for searching the web.
*Editors note: Since the time of writing, Lookout has since been acquired by Microsoft and is now discontinued.
Two Exchange Utilities ESEUTIL and ISINTEG
I have two Exchange utilities which are worth getting to know for their own sakes, and they may also help you in troubleshooting specific problem like poor performance, or error 080040301
As ever, my theme is getting you started. To find ESEUTIL or ISINTEG, either navigate in DOS to the exchsrvr\bin folder (easier) ,or type path=c:\program files\exchsrvr\bin (cleverer). My point is that if you issue the ESEUTIL command in DOS, even on an exchange server, nothing will happen unless you are in the correct path.
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ESEUTIL for Exchange
ESEUTIL has several useful switches, for example:
/cc for troubleshooting.
/cc. Take the case where you are restoring exchange but you forgot to select ‘ The Last Backup Set Check Box ‘. The result maybe: Error Code -939523485 To resolve this issue, run the hard recovery process manually by using the following command: eseutil /cc path of the directory that contains restore.env. (Naturally Eseutil is not case sensitive.)
Calculating IP Address ranges is a black art, which many network managers solve by creating custom Excel spreadsheets. IPAT cracks this problem of allocating IP addresses in networks in two ways:
For Mr Organized there is a nifty subnet calculator, you enter the network address and the subnet mask, then IPAT works out the usable addresses and their ranges.
For Mr Lazy IPAT discovers and then displays the IP addresses of existing computers. Download the Free IP Address Tracker
/d to defrag the .edb database
Problem: Exchange’s mailstore is bigger than it should be, space from deleted mailboxes has not been recovered, you have not defragged for over a year.
Preparation for eseutil -d, first stop the store services.
Make sure you have plenty of free disk space, at least as much as the priv.edb or store.edb that you wish to defrag.
eseutil /d e:\path\priv.edb (Or other name for your store)
Start the store service when you have finished.
/k to check for damaged headers.
This /k switch works in the same manner as checksum; useful after an unscheduled shutdown.
See more ESEUTIL here
ISINTEG for Exchange
ISINTEG – Firstly, one of my rare disclaimers. Be careful with Isinteg, especially the – fix switch. Backup your exchange .edb and log files BEFORE you even think about using isinteg. Always begin by using ISINTEG – test, rather than -fix.
Example, you get error 080040301 when you are moving mailboxes to another store.Best solution get a hotfix. However, in an emergency try ISINTEG
ISINTEG – s – fix is Guy’s candidate for the worlds most dangerous switch, the – fix has been know to destroy exchange. So only use in an emergency, and yes you did backup BEFORE you tried Isinteg -s BigServer -fix?
See more on ISINTEG
See interesting Exchange articles
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• E 47 Exch tips •E 43 Exchange Mig •E 39 Exchange tools •E 36 ExPBA • E 31 Exchange Tips
• E 5 Outlook • Free Exchange Monitor • Exchange 2010 • Windows Server 8 •Free Syslog Utility