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VV6 - Role AV plays in the speed of copy

 
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Alice



Joined: 29 Jan 2015
Posts: 262
PostPosted: Wed Feb 14, 2024 8:25 pm    Post subject: VV6 - Role AV plays in the speed of copy Reply with quote
My Windows Server 2022 Standard 21H2 was rebuilt over Christmas and I've been noticing VV6 copies to it not being as fast as I would expect, since I did the rebuild....

So I set a Defender AV exclusion for the Destination path on that Server via PS :

Quote:
Set-MpPreference -ExclusionPath "C:\- Serv\Utils"

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Copy speed before the Exclusion was set :

-- Done: 45,974 (23.02GB) Err: 0 (0) Skipped: 0 (0) Tot: 45,974 (23.02GB)
-- Average Transfer Rate: 33.45MB/Sec -- Elapsed Time: 11 min 44 sec

Copy speed after the Exclusion was set :

-- Done: 45,983 (23.02GB) Err: 0 (0) Skipped: 0 (0) Tot: 45,983
-- Average Transfer Rate: 63.10MB/Sec -- Elapsed Time: 6 min 13 sec

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I accept there's a 'small' risk in setting an AV Exclusion and I may revert, but wanted to share my experience with you nonetheless.



A.
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TGRMN Software
Site Admin


Joined: 10 Jan 2005
Posts: 8686
PostPosted: Wed Feb 14, 2024 10:48 pm    Post subject: Reply with quote
Hi Alice,

thank you for posting this! I can confirm that "real-time" anti-virus programs will check and scan files as they are copied to/from the system hence they generally do slow down the operation as a result.
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