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Lighnting calendar won't sync with Google calendar

  • 3 replies
  • 17 have this problem
  • 7 views
  • Last reply by jerome1212

jerome1212
jerome1212
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Using Windows 8.1 Have Thunderbird and Lightning. Then set up new calendar to sync with my google calendar. syncing doesn't work. When attempting to create an event I get error "MODIFICATION_FAILED" Status Code: 2147746065, The request cannot be processed. Server Replied with 501

Any ideas how to fix this? Thanks, Jerome.

Using Windows 8.1 Have Thunderbird and Lightning. Then set up new calendar to sync with my google calendar. syncing doesn't work. When attempting to create an event I get error "MODIFICATION_FAILED" Status Code: 2147746065, The request cannot be processed. Server Replied with 501 Any ideas how to fix this? Thanks, Jerome.

Chosen solution

Try this Addon

Read this answer in context 👍 1

All Replies (3)

Matt
Matt
  • Moderator
  • Top 10 Contributor
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are you using caldav or the google provider add-on?

iamjayakumars
iamjayakumars
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Chosen Solution

Try this Addon

jerome1212
jerome1212 Question owner
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Works now. Thank you both for your help.