Old Calendar meeting reminders / requests re-appearing without user requesting so.

Posted on 2006-06-26
Last Modified: 2011-10-03
Here is the set-up and issue we have

Exchange 2003 SP2 server
Outlook 2003 SP1 clients - Non cached mode

We had one user who was away from their desk, outlook open on his PC and without warning his outlook started sending out lots and lots of old random meeting requests/invitations to internal and external recipients again; at the same time reminders, some 3 years old, re-appeared on the users outlook. The users sent items is full off these invitiaion requests, about 50 sent within a 10 minute period, again some of these were 3 years old.

We rebooted the exchange server at the time and this didn't fix the issue, although since the issue appears to have fixed itself.

If anyone has any idea on where to look for the cause and possible fix to stop this happening again i would love to hear it.

Thanks in advance.
Question by:Wizard_IT
  • 3
  • 2
  • 2
LVL 97

Expert Comment

ID: 16985094
Greetings, Wizard_IT !

At the Start menu, Run command type:

Outlook /cleanreminders

Occasionally you'll need to use the full path to Outlook, so the command line looks like:

"C:\Program Files\Microsoft Office\Office11\Outlook.exe " /cleanreminders

Note:  Paths that include spaces between words must be enclosed in quotation marks (") and are case sensitive.

Best wishes!

Author Comment

ID: 16985194
Hi War1

Thanks for you quick post, any idea what you think the cause may have been ? its str4ange it sent out requests again ?

Also if i run Outlook /cleanreminders will all the reminders re-appear ?

Do you have any experience of the command Outlook /CleanFreeBusy is it worth running that and again would it regenerate the meeting requests and send them to recipients again.

Wizard IT
LVL 97

Accepted Solution

war1 earned 500 total points
ID: 16985239

My best guess as to what happened is that some reminders remained in cache.  So they just repeated themselves on Outlook restart.  Using the /cleareminders switch will clear out all old reminders in cache.  Old reminders will not reappear.  Present reminders will be deleted also.
Online Training Solution

Drastically shorten your training time with WalkMe's advanced online training solution that Guides your trainees to action. Forget about retraining and skyrocket knowledge retention rates.


Author Comment

ID: 16985345
I'll give it a try..
LVL 13

Expert Comment

ID: 16985574
The various offline and synchronizing mechanisms can introduce this sort of situation, from PDAs to offline caching to an old profile being opened.

/cleanreminders is geared toward cleaning up popup reminders (e.g. on calendar items, flagged emails, etc.), not meeting notices that go out to others. It sounds like your case was one where some offline calendar items came online, resulting in both reminders and meeting notices. Since the problem appears to be resolved for now, you probably want to focus on the probable cause, so you can avoid it in the future. Interviewing the user about PDAs, profiles, etc. might give you a clue to investigate further.
LVL 97

Expert Comment

ID: 17018783

We have not heard from you in awhile. Did any comment help you solve your problem? Do you have any more question? If an Expert helped you, please accept his/her answer above with an excellent or good grade.

Thanks, war1
LVL 13

Expert Comment

ID: 17018835
For anyone referring to this question in the future, be aware that the accepted answer doesn't address all of the original problem - redelivery of meeting requests is not affected by Outlook reminders.

Featured Post

Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Not able to send a new shared calendar request from icloud calendar 3 24
User Account issue 6 41
Setting to disable online status on Outlook / Hotmail 19 89
Exchange 2007 6 23
Are you unable to connect or configure Hotmail email account in Microsoft Outlook 2010, 2007? Or emails are not downloading to Outlook? Lets’ see the problem and resolve Outlook Connector error syncing folder hierarchy (0x8004102A).
Many people use more than one email account and so it becomes difficult for them to manage them when they use separate accounts,  so, in this article, I have shared an easy way to add Other Mail Accounts in your Google Inbox. It helps to combine all…
Get people started with the process of using Access VBA to control Outlook using automation, Microsoft Access can control other applications. An example is the ability to programmatically talk to Microsoft Outlook. Using automation, an Access applic…
A short tutorial showing how to set up an email signature in Outlook on the Web (previously known as OWA). For free email signatures designs, visit If you want to manage em…

726 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question