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C: drive free space keeps shrinking on Excange 2016 CU1

We have two Exchange 2016 CU1 servers in DAG. C: drive free space keeps shrinking on both servers. I have extended the 40 GB space and after 4 to 6 days now only 9 GB is left and almost 30 GB space has been consumed.

The mailbox database and database logs folders are on other separate drives. Only Exchange is installed in C drive. Can you please guide me how I can cater this case? if it is normal then please let me know what kind of logs consuming this space repidly.

Dr. Klahn

Well, first you need to find out what is using up the space, then you can decide how to address it. WinDirStat would be a good tool to start looking around to see where the space is going.

https://windirstat.net/

Personally I prefer OverDisk, but it is getting to be rather long in the tooth now and may not work on 64-bit systems.

Find the huge directory, then find the huge files, once you know that then we can give you advice on how to proceed.

Sam Simon Nasser

try glarysoft cleaner https://www.glarysoft.com/disk-cleaner/ for free
maybe their is windows update or other software that is eating the drive.

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Dr. Klahn

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Muhammad Asif

ASKER

Hi Everyone,

Thanks to all for comments. I have managed to find the problem. The Kaspersky antivirus is installed on the server and it is generating to much logs.

BTW, what is the normal size of IIS logs which are generated by Exchange? Can you please let me know the directories where Exchange generates logs of like active sync , ews and other IIS logs?

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Ivan

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Muhammad Asif

ASKER

Hi Ivan,

Thanks for your reply . Can you please share the script here so we may use it as well? Moreover, can we use the same script for Exchange 2016 as well on Windows server 2016?

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Ivan

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COD IT

If it's the same drive as your mailbox data store I would check the log files. Log files build up and will take up space.