Forum Discussion

Copper Contributor

May 27, 2022

Exchange Server High Availability and user limits

Hello. I need to know Exchange Server can support 60000 user mailboxes? And how can sizing server parameters for 60000 user and high availability? I need to provide sizing model and general arc...

Exchange Server

Kidd_Ip

MVP

May 27, 2022

ilyasnovruzlu

Believed you are talking about on-premise Exchange server, if yes, seems there are NO limits on number of mailboxes but the size of database, please refer to below URL on deployment ref:

https://docs.microsoft.com/en-us/Exchange/plan-and-deploy/deployment-ref/storage-configuration?redirectedfrom=MSDN&view=exchserver-2019#best-practices-for-supported-storage-configurations