Forum Discussion
malone81
Nov 04, 2020Copper Contributor
Adding email alias in Exchange Online no longer works and throws out the below error
Hi, I had to disable AAD Connect recently and when I got everything back up and running, I received the below error when adding and alias and this is happening for every account I have tried. ...
Zakon
Jan 29, 2023Copper Contributor
Hi Malone81,
As Vasil Michev said, if you are using Hybrid mode then you will be able to edit EXO objects only from the on-premise side.
If you want to add new SMTP address to mailbox in EXO you need to do that on mailbox located in the On-premise Exchange. To be sure that the object in cloud and on-premise is same object you can validate it by checking ExchangeGuid attribute- for both object should be same(that's how the Exchange on-premise and EXO is checking if objects should be "connected").
As Vasil Michev said, if you are using Hybrid mode then you will be able to edit EXO objects only from the on-premise side.
If you want to add new SMTP address to mailbox in EXO you need to do that on mailbox located in the On-premise Exchange. To be sure that the object in cloud and on-premise is same object you can validate it by checking ExchangeGuid attribute- for both object should be same(that's how the Exchange on-premise and EXO is checking if objects should be "connected").