|
|
|
Troubleshooting "Invalid Product Key" in Exchange Server 2019
Though not recommended to install Exchange on a DC, if you do, some retail keys may fail due to SID (Security Identifier) complexity. Use Volume Licensing keys for domain controller installations. exchange 2019 product key invalid
It sounds simple, but confusing letters like "B" and "8" or "O" and "0" is a frequent cause of activation failure. How to Resolve the Issue 1. Use the Exchange Management Shell (EMS) Exchange Admin Center (EAC) if you do