ISSUE: Unable to find mailbox to change IsO365 flag

Overview

After mailbox migration into O365, EVComplete is checking the mailbox is located in O365. Sometimes it can happen that check will fail and following error will show in the EV Complete UI:

Error in the Exchange Logs.

2023-09-07T07:01:36|ERROR|ehg     |192.168.150.254|T:1208|Connection                | ||     || ||WebRequest (PUT) to http://evclf-eh-bw01.ehg.directory:8080/api/v1/MigrationProcess/Result failed
EXCEPTION: [500|https://tools.ietf.org/html/rfc7231#section-6.6.1|An error occurred while processing your request.|Unable to find mailbox to change IsO365 flag after successful move. UPN is : []||00-86b4289c3880a767ad83dbb7184fec10-6e5f39ed590d288b-00|]
2023-09-07T07:01:36|ERROR|ehg     |192.168.150.254|T:1208|TransmissionWorkerThread  | ||     || ||Error in TransmissionWorkerThread
EXCEPTION: [500|https://tools.ietf.org/html/rfc7231#section-6.6.1|An error occurred while processing your request.|Unable to find mailbox to change IsO365 flag after successful move. UPN is : []||00-86b4289c3880a767ad83dbb7184fec10-6e5f39ed590d288b-00|]
2023-09-07T07:01:36|ERROR|ehg     |192.168.150.254|T:1208|TransmissionQueue         | ||     || ||Error while sending result. [638296667269501877_HYBRID_MoveMailboxToO365_c1b74cbd-5062-4b14-a76a-27cdd42473f5_0.res] [00:00:00.0947158]

Solution

This is just transient error caused by temporary connection lost.

Only restart of the failed step is required.