Unusual Exchange Behavior

I have recently been experiencing some unsual problems with my Exchange 2003 performance.  I have a Windows 2003 Server, running MS Exchange only.  My clients are MS Office 2007 pro.  This set up ran flawlessly for 2 years however about 2 weeks ago random users are locking up when starting outlook or when attempting to print from outlook, or open attachments. ???  Has anyone experience a similiar problem, could it be due to a recent update?
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Have you run diagnostics on the physical disks? I wonder if you don't have degrading hardware.
Techster01Author Commented:
One of my thoughts was a hardware issue, I suspected my storage drive may be experiencing degredation due to storage availability.  It's a 60GB drive that is 3/4 full at about 14.4 GB available disk space.  The OS Drive is 20 GB and has only 2.76 GB available. (after deleting log files).  I will run a diagnostic this evening and see what I can see.
During off hours, move your mailbox store to a secondary drive and see if the access is improves.
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Techster01Author Commented:
I will give a try.
We had this exact same problem, and it turned out to have nothing to do with Exchange, but with our desktop network settings. Have you changed mapped network drives recently? If you have a disconnected network drive on the computers where Outlook resides, it will try and enumerate all the network drives when you open Outlook or try to attach a file, and sometimes while browsing in Windows Explorer. It then freezes until it times out while trying the disconnected drive. All you would have to do (if that's the case) is disconnect the network drive in Windows Explorer, and make sure it's not being put back there by any domain scripts. Another good practice when dealing with Exchange troubleshooting is to run the Best Practices Analyzer, sometimes it's something really simple that it'll catch and tell you how to fix. Client and server event logs are another good source of information. Good luck!

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Techster01Author Commented:
Just a quick update.  I completed some maintenance on my drives and defragged down to exceptable levels.  I also found a obsolete network connection to an old HP printer and removed it from the system.  This combination seems to have taken care of the problems.  Thanks for your assistance guys, I think we got it.
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