Sharepoint 2007 Tasks getting auto-modified by Outlook
We heavily use Sharepoint 2007 for managing tasks in our group, which allows us to assign tasks between group members and keep notes on them for the future. We have it setup so that we get notifications when a task is modified, allowing us to follow the progress of our tasks and others. The problem we are running into is that if someone connects to our task list with Outlook (2007 or 2010, as both have had this problem) every once in awhile (maybe twice a year) that person's outlook will go in and "touch" every task and we will get an email notifying us of such. By touch, I mean that I will get an email saying the user modified all 3600 tasks that are in our sharepoint task list. Removing the outlook connection to the task list removes symptom, but only until the next person connects outlook to it. This has happened to me and 3 other people over the last 2 years a total of 8 or so times. I have looked around for any sort of mention of similar problems without luck. Any help in troubleshooting or fixing the problem would be helpful. It could be an outlook problem, but not sure why it would persist across different versions of outlook. Thanks in advanced for any help.
January 4th, 2012 9:20am

Hello, Thank you for your post. This is a quick note to let you know that we are performing research on this issue. Thanks,Pengyu Zhao TechNet Community Support
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January 6th, 2012 3:25am

Hello, Thank you for your post. The scope of your post is pretty broad so before I can give any suggestion or make any recommendation, we have to narrow it down and find any corelations etc... When you say this issue occurs twice in a year, whats the common factors for that time frame? Are you able to anticipate a rough timeframe when the issue will occur again? Does the SharePoint / Outlook / Exchange environment go thru any kind of change? Are there any patches applied at any level during the time of occurance of this issue? Do you see any actual changes in the task content? Are you running any SharePoint code / PowerShell which run commands like "item.update" in a loop? Please remember to click 'Mark as Answer' on the post that helps you or click 'Unmark as Answer' if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Nishant Shah Microsoft Online Community Support
January 12th, 2012 10:36am

There isn't any common factor that we have found that causes the issue. I can't anticipate when it will occur or by which user, as it seems to be random and infrequent. There wasn't any specific changes that occured that we can find to any of the components. The systems (sharepoint, outlook, exchange) were not being upgraded or patched during or directly near any of the events. Tasks are completely unchanged as far as we can tell. The system says they were modified, but none of the fields seem to be modified. The users that "modified" the tasks were not running a script. The only thing common about the events were that all the users that supposedly modified the tasks had the sharepoint list connected to by outlook. removing the outlook connection to the task list seems to stop the events from happening again.
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January 12th, 2012 10:45am

Hello, Your scenario requires a more in-depth level of support. Please visit the below link to see the various paid support options that are available to better meet your needs: http://support.microsoft.com/default.aspx?id=fh;en-us;offerprophone. If you are a MSDN / TechNet subscriber, you can also contact our support by using your free support incidents. However, other members of the community may still have encountered the issue you're seeing, and have a solution to offer!Please remember to click 'Mark as Answer' on the post that helps you or click 'Unmark as Answer' if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Nishant Shah Microsoft Online Community Support
January 13th, 2012 3:53am

There was no mention of any customizations outside of the basic functionality, so why does this require a more in-depth level of support?Steve Clark, MCTS | Twin-Soft.com
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January 15th, 2012 6:16pm

As appearntly for me there is no way of narrowing this issue down to a component where I can provide a specific advise which may result in resolution of the issue. Also, looking at the environment and/or logs to get a better understanding of the issue is not an option on forum threads, so this is better pursue'd with a support case.Please remember to click 'Mark as Answer' on the post that helps you or click 'Unmark as Answer' if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Nishant Shah Microsoft Online Community Support
January 16th, 2012 2:37am

I ran into the exact same issue this morning where a number of notifications were sent out without user intervention. I could see in the SP Logs that the same user altered 200+ items in a list within 2-3 seconds, which presumably caused alerts to fire off. The user who modified the list however, did not have a connection to Outlook and the SP list. A bit puzzled. I can't reproduce and this is the first occurrence in over 6 years of SP2007 being deployed.
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April 11th, 2012 7:27pm

Hi, I'm having the exact same issue. Would this happen just after a time change (summer/winter) ? Thanks Val
May 23rd, 2012 10:48am

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