- Mar 9, 2014
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Open calendar.live.com.
Sign in and then go to options from the top right. In the new page there will be a list of available calendars.

Click on birthday calendar and then select delete from the top. Now go to your phone and sync your MS account manually in email+accounts.
Now check your phone to make sure only facebook birthdays are showing (if you have them enabled).
If it is so, disable facebook birthdays and again go to calendar.live.com and then click on dropdown button next to "New" on top left and select "Birthday Calendar". A new calendar is generated. Now sync your phone again and all it well.
PS: There's a design "limitation" (because it's just the way facebook implements it's calendars) in this system. Even if your facebook contact and the associated contact have the same name, they don't merge into a single birthday.
How I figured this out is pretty interesting. I looked up FAQ and found how birthdays are added and how they are removed. There were manual methods described and also stated some ways in which they may be automatically generated. The automatic generation happens when a you add a contact, add a birthday to a contact, add facebook to your phone and similar things. So the multiple birthdays are maybe generated due to a phone reset which causes new instances of contacts to be created (remember that when you reset your phone, facebook is not integrated when your MS account syncs) and hence duplicate birthdays.
LET ME KNOW IF IT WORKS FOR YOU.
Sign in and then go to options from the top right. In the new page there will be a list of available calendars.

Click on birthday calendar and then select delete from the top. Now go to your phone and sync your MS account manually in email+accounts.
Now check your phone to make sure only facebook birthdays are showing (if you have them enabled).
If it is so, disable facebook birthdays and again go to calendar.live.com and then click on dropdown button next to "New" on top left and select "Birthday Calendar". A new calendar is generated. Now sync your phone again and all it well.
PS: There's a design "limitation" (because it's just the way facebook implements it's calendars) in this system. Even if your facebook contact and the associated contact have the same name, they don't merge into a single birthday.
How I figured this out is pretty interesting. I looked up FAQ and found how birthdays are added and how they are removed. There were manual methods described and also stated some ways in which they may be automatically generated. The automatic generation happens when a you add a contact, add a birthday to a contact, add facebook to your phone and similar things. So the multiple birthdays are maybe generated due to a phone reset which causes new instances of contacts to be created (remember that when you reset your phone, facebook is not integrated when your MS account syncs) and hence duplicate birthdays.
LET ME KNOW IF IT WORKS FOR YOU.
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