Losing Calendar items in outlook

Hey there,

This is my first time asking a question on experts exchange.

Basically alot of the management here at my workplace rely heavily on outlooks calendar. They use it all the time and constantly move meetings around, cancel meeting, create meetings etc... Very heavy use.

I have been receiving complaints that appointments have been dissapearing. Often overnight, appointments will dissapear (is there a preocess that runs overnight that would cause this?) The person to bring this up first was using upto 3 computers all syncing in cached mode to exchange and so we thought it may have been to do with this, but other users are having similar issues. Most of these users from time to time use more than one PC but all machines are installed with the same version of outlook 2003 fully patched with SP2 etc. We have exchange server 2003 (exchange system version 6.5.7226) and it is patched with SP1.

I found this article on here -

http://www.experts-exchange.com/Networking/Email_Groupware/Exchange_Server/Q_21558878.html?query=losing+appointments&clearTAFilter=true

But it is refering to the public calendars and I am unsure how to apply this to personal folders or if it will help.

If anyone can offer any direction that would be great! I have given this the max points as I am keen to learn how to handle these complaints.

Thanks
Dave
WellnomicsAsked:
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kjanickeConnect With a Mentor Commented:
Greetings:

If you have one user using multiple machines ... logged in to multiple machines at the same time ... you may want to turn cache mode off.  

Are the calendars located in the individual mailboxes?  Are they being shared or delegated?
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kjanickeCommented:
Cache mode keeps a copy of your mailbox on your computer. Any changes you make while a connection to the server isn't available are synchronized automatically when a connection is available. You can continue to work while changes are synchronized.

However, if a user is logged in multiple locations, which cached copy overrides the others?  
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WellnomicsAuthor Commented:
Interesting comments reagrding cache mode...

The calendars are located in individual mailboxes. Usually not shared or delegated that I am aware of unless done by the user...

So if a user is logged in multiple locations which copy is the master? None? Thats an interesting question... How can I find out?

Dave
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Jillyn_DCommented:
Hi Dave,

This is simplistic, but I have lost calendar entries before due to archiving.  I have my account set to auto archive daily, and it occasionally snags appointments and relocates them to my archive calendar.

Good luck!
~Jillyn
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kjanickeCommented:
Greetings:

Auto archiving can be a killer.  We had workstation time issues, and a few of them were setting themselves back over six months.  Auto archive snagged everything.  I can't imagine your problems being related, but ... it was a killer.

Before the user logs in, you could check the date time stamps of the .ost's on the local machines.  To check the contents of the .ost, you may have to pull the network line to simulate offline mode.

Let the user log in, but then pull the cable out the back before they launch outlook.  Offline should allow them to see what the last cached image was.

We have more problems with cache mode than it's worth.  It's an excellent idea, and can be very useful for our slower connections, but problems like this, or address book replication, make it easier for us to just stay live.
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WellnomicsAuthor Commented:
Hey Jillyn,

Yeah auto archive can be tricky like that. I will check this too but generally most users have this disabled cos it can be tricky (lost email etc...)

Dave
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WellnomicsAuthor Commented:
Hello,

I am going to award thew points to kjanicke as the assumption about cached mode seems best to answer our issue. Unfortuantly we need to use cached mode as it allows us to filter spam email locally and gives access to email when offline which is needed within our business. It could be that we need to look at our exchange configuration as it may not be configured the best way for our business needs.

Any comments on these thoughts would be appreciated.

Thanks for the help

Dave
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WellnomicsAuthor Commented:
We do notice some sync issues at times which I assume is due to the use of cached mode also and may explain the calendar appointment issue unfortuanly I have only a junior knowledge of exchange etc so this is all very new to me.
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