This article applies to:
Exchange 2016

PROBLEM
Your Exchange server sends Out of Office messages (OOF) with the subject in German instead of English.

CAUSE
The language used in the subject of the OOF messages is based on regional settings set on the Exchange Server.

To determine the current language open the Exchange PowerShell and type:

Get-Culture

SOLUTION
To get subject of OOF messages in English:

  1. Type the following command in the Exchange PowerShell window:  Set-Culture en-US
  2. Exit Exchange PowerShell window.
Dejan Foro