Forum Discussion
JonnyShaw1
Apr 27, 2026Occasional Reader
Exchange 2016 Decommission
Hi all, I am trying to decom my 2016 environment and cannot disable (Disable-Mailbox) the final 16 mailboxes (out of thousands). Am getting the error Active directory response: 00002098: SecErr: D...
AnnTaeYoun
Apr 28, 2026MVP
If it is a protected account, use the command below!
Get-ADUser <User> -Properties adminCount
Set-ADUser <User> -Replace @{adminCount=0}
Disable-Mailbox <User>
ADUC -> <User Account> -> Security -> Advanced
Enable inheritance <Check>
Thanks
TaeYoun