Coding & Scripts

Powershell Window displaying results of the Get-PnpDevice command

How to enable/disable hardware devices using Windows Powershell

by Aiden Arnkels-Webb
December 2, 2019January 24, 2020

Error: The proxy address "SMTP:name@domain.com" is already being used by the proxy addresses or LegacyExchangeDN. Please choose another proxy address.

How to fix conflicting proxy addresses in O365 when creating a mailbox

by Aiden Arnkels-Webb
August 5, 2018June 4, 2019
9 Comments

So, you have two (or more) domains associated with your Office 365 Exchange account. When you try to create a shared mailbox on one domain, you encounter an error stating: ‘The proxy address “SMTP:[email protected]” is already being used by the proxy addresses or LegacyExchangeDN. Please choose another proxy address.’ I may have just the fix for you!