High disk space occupation on Exchange

Mariusz Gora 41 Reputation points
2021-09-17T13:50:57.897+00:00

Hi,
I have Microsoft Exchange Server 2016 on-premise.
During installation couple years ago I set up 90GB disk for OS and Exchange binaries and separate disk for mailbox databases.

Currently I have only 14% free space on system drive. From time to time server system drive fills up and I occurs Back Pressure issue.
The biggest catalogues are Windows (over 25GB) and %ExchangeInstallPath% (almost 30GB).
On this disk I keep Queue Database (in my case not more than 2GB, so is isn't so big) other mailbox databases are on dedicated separate disk.

I free-up this disk as much as I can (remove unused applications, unused users accounts, empty trash, etc.) but I can't go over 15% free space.

Is there anything can I do to free-up more disk space? Especially to reduce %ExchangeInstallPath% and Windows directory size.

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Amit Singh 4,846 Reputation points
    2021-09-20T12:11:53.12+00:00

    How often do you take full backup? The logs can take up a lot of space and are truncated after a full backup. So if you are not regularly doing a full backup, then your logs will keep accumulating.
    Helpful Links:

    https://techgenix.com/manage-log-files-in-exchange-server/
    https://searchwindowsserver.techtarget.com/answer/How-do-I-avoid-Exchange-disk-space-issues

    1 person found this answer helpful.
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  2. Andy David - MVP 142.3K Reputation points MVP
    2021-09-17T14:04:23.96+00:00

    Follow this to clear some space and create a scheduled task to clear on a regular basis
    https://social.technet.microsoft.com/wiki/contents/articles/31117.exchange-logging-clearing-log-files.aspx