During HEX mailbox migration to a higher Exchange version the following cmdlet is executed, which actually makes no changes to the mailbox:
Set-CASMailbox -Identity "CN=client1,OU=S001000012,OU=Provider,OU=Hosting,DC=hosting,DC=local" -DomainController AD01.hosting.local
In addition, the below cmdlet is executed 3 times, instead of 1:
Set-Mailbox -DomainController AD01.hosting.local -Identity "CN=client1,OU=S001000012,OU=Provider,OU=Hosting,DC=hosting,DC=local" -ProhibitSendReceiveQuota Unlimited
These unnecessary cmdlet calls can affect the migration speed.
The described behavior will be improved in the scope of the following issues:
- POA-116619: Set-CASMailbox called with no need
- POA-116627: Set-Mailbox called 3 times during moving mailbox
Please contact your Technical Account Manager in order to track the current status of the issue.