Email bounces back. He is unable to receive my calendar invites in outlook.

Copper Contributor

Here is the error code that I got from the exchange online,

Reason: [{LED=554 5.2.0 STOREDRV.Deliver.Exception:QuotaExceededException.MapiExceptionShutoffQuotaExceeded; Failed to process message due to a permanent exception with message Move/Copy messages failed. 16.55847:A5000000, 17.43559:00000000AD010000000000000000000000000000, 20.52176:140F97810500101068010000, 20.50032:140F978175


3 Replies

Looks like the recipient mailbox has reached its quota?

Is the mailbox on litigation hold? Also, try to clean both the 1st level and 2nd level Recycle Bins.

The quota is fine I just checked the mailbox properties on O365.