Problem related to EPDM

we are facing one problem on our archive server which is discribe below>>

On our server we have three drives C:, D: & E: but we have created the vault in D: drive & used space on this drive is 77.4 MB

Now when we are uploading the File of size 23 MB in the valut the space used on the D: drive of archive server is increased to 101 MB

now we are deleting this 25 MB file from the vault but still on D: drive of archive serve the space of 101 MB is ocuppied.

So in this manner the the space used on archive server is keep on increasing...

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