Symptoms
Microsoft Exchange Server 2019 Sizing Calculator version 10.5 returns unexpected results and output that is logically inconsistent.
For example, based on your input, one portion of the calculator indicates that 8 disks are required, but another portion indicates that 10 disks are required.
Cause
This issue occurs because databases are not correctly allocated to disks in Exchange Sizing Calculator version 10.5
Resolution
To fix this issue, install Exchange Sizing Calculator version 10.6 from the Microsoft Download Center.
