Tag Archives: calendar

iCal 502 error when syncing with Yahoo! Calendar

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In the last few days, my iCal has been giving me the following error message when trying to access my Yahoo! Calendar via CalDAV:

The request for account "Yahoo! Calendar" failed.

The server responded with
"502"
to operation
CalDAVAccountRefreshQueueableOperation.

iCal error message when syncing with yahoo! calendar

Yahoo! have acknowledged this is a problem on their side:

We are aware of a Calendar (Proxy error) and our engineering team is working to resolve this issue. We apologize for the inconvenience and hope to have it resolved soon.

(source: Syncing / Mobile Sync | Yahoo! Calendar Help)

update 2nd November 2011: I am no longer seeing this error message, and Yahoo! have removed the notice from their help page. Looks like the issue has been resolved!

update 3rd November 2011: Seems like I spoke too soon, the error is back!

Glen Scott

I’m a freelance software developer with 18 years’ professional experience in web development. I specialise in creating tailor-made, web-based systems that can help your business run like clockwork. I am the Managing Director of Yellow Square Development.

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Synchronize iCal with Yahoo! Calendar

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Update 26th October 2011: Are you receiving a “502” error from iCal? Please see my more recent post iCal 502 error when syncing with Yahoo! Calendar for more details.

The new beta of Yahoo! Calendar now supports the CalDAV protocol, meaning that sharing and synchronizing with desktop calendaring applications is possible.

iCal has supported CalDAV since version 3.0 shipped with Mac OS X 10.5 Leopard, so it is possible to get it working with Yahoo! Calendar. After completing the following steps, any events that you create in the web-based Calendar will be replicated to iCal, and vice-versa.

What you will need:

  • A Yahoo! account. In the example, we use the username yahoouser
  • Access to the new Calendar Beta.
  • iCal version 3 or above

Step 1:

  • In iCal, select the Preferences… from the iCal menu.
  • Click on the Accounts icon

  • Click on the plus button to create a new CalDAV account
  • Enter a description, such as Yahoo! Calendar, your Yahoo! username and password.
  • Click the Server Options link and enter the following into the Account URL field:
https://caldav.calendar.yahoo.com

  • Click the Add button.


Your Yahoo! Calendar should now be synchronized with iCal, refreshing every 15 minutes: you should see it listed on the left hand side of your iCal window underneath the calendars stored on your Mac.

Glen Scott

I’m a freelance software developer with 18 years’ professional experience in web development. I specialise in creating tailor-made, web-based systems that can help your business run like clockwork. I am the Managing Director of Yellow Square Development.

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