Outlook 2010 Calendar Category Colors Changing

We have a user who is using Oulook 2010. He assings colors to calendar items he creates. When someone sends him a calendar appointment, he assigns it a color as well. Anywhere from immediately to about 5 minutes, the color changes on its own to a lighter version of the assigned color. For example, he assigns an appointment to red and it's changed to the lighter red color.

His colors do not change when he creates appointments for himself. The colors do change when someone else sends him a calendar invite, from both inside and outside the organization.

May 3rd, 2011 12:59am

Hello,

 

Thank you for your question.

 

I am trying to involve someone familiar with this topic to further look at this issue. There might be some time delay. Appreciate your patience.

 

Thank you for your understanding and support.

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May 4th, 2011 9:27am

Thank you for your help.

We have just confirmed that this happens in Outlook Web Access as well.

 

GTRI

May 5th, 2011 10:48pm

Hi,

I have a few questions for you regarding your issue:

1. Can you reproduce this issue with all of your users or just this one user?

2. Does this happen with all colors (for example does blue change to light blue and so on)?

3. When the color changes does the category change also?

I look forward to your response.

Regards,

HARVEYY - MSFT

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May 26th, 2011 12:12am

I am having this same issue as well.  I am not sure if other users as having this same issue.  I have confirmed that it happens with all colors. as well where I have set up custom catagories.  The category changes to No Categories (colored by old "Must Attend" label).

 

It appears that once the catagory is set, it removes it but keeps the color (abit lighter).

 

Joel

June 28th, 2011 9:06am

Related problem.  We would like to change the colors and names globally.  And then be able to view by specific color. Is that possible, and if so, where can that change be made?
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June 29th, 2011 11:42pm

Any update on this?  I have the same problem.
July 28th, 2011 12:34am

We are having a similar problem with a few of our users.  we use Outlook07 and Exchange07 which we migrated to a couple of years ago.  in the past few months we have noticed some long standing or new reoccurring appointments change color and the category changes to No Categories (colored by old "Must Attend" label).  Also, in most cases the time of the appointment changes too.

I have noticed that the "time zones" feature is activated when you "open the series" of appointments and changed from our time zone (PST) to  Coordinated Universal Time (UTC).  It doesn't allow you to deselect the time zones feature to turn it off.  This problem appears to be random and doesn't affect all appointments in the calendar. 

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August 4th, 2011 12:05am

I have this problem too... Outlook 2010 connected to an Exchange 2007 SP3 backend.  But what I've noticed is, it has to do with my iPhone 4 syncing to the calendar.  If I turn off calendar syncing on the iPhone, the problem goes away.  If I turn it back on, problem comes back.  I'm using Exchange ActiveSync to sync over the air...

August 5th, 2011 5:25pm

We are also using Exchange ActiveSync to sync our androids.
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August 5th, 2011 6:44pm

Did you come up with an answer? The silence is deafening.
April 11th, 2013 11:29pm

Yes, I have this requirement also.
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April 11th, 2013 11:29pm

Hi Harveyy, 

1. only one user has expressed concern about this, my boss. :)

2. color will lighten temporarily and if you give it time, it will change back

3. the category color will change as well. 

Best,

Katherine

February 2nd, 2015 1:03pm

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