FortiEDR - 5.2.8 - File Server Slowness

[BigFish7]

We have multiple users reporting extreme slowness when opening files from a file server. This seems to have started when we upgraded FortiEDR to 5.2.8.41 last Wednesday. We were also upgraded to 7.2 backend this Sunday.

I ran some tests on my machine to rule out the network. With FortiEDR enabled on both my machine and the file server a 13 MB .pdf takes 10 seconds to open. When disabling FortiEDR on my (client) machine the time to open is only a second. We see similar behavior on other machines/file servers.

Anyone having similar issues?

[Anthony_E]

Hello,

Thank you for using the Community Forum. I will seek to get you an answer or help. We will reply to this thread with an update as soon as possible.

Thanks,

[Anthony_E]

Hello,

We are still looking for someone to help you.

We will come back to you ASAP.

Thanks,

[Anthony_E]

Hello,

May I invite you to open a ticket with our TAC?:https://support.fortinet.com/welcome/

Regards,

[Luke_FTNT]

Hello,

This matter is a new known issue and Fortinet have a one-off hotfix available. Please open a support ticket at https://support.fortinet.com and our team will be happy to help.

Cheers,

-Luke

[masondon74]

Hey @BigFish7 did you get this resolved? We're seeing some network copy slowness after updating from 5.2.6.65 to 5.2.8.41. We're also seeing users with downloaded PDF and Excel files after the update.

[Luke_FTNT]

Hi @masondon74 ,

We have a hotfix released in Collector 5.2.8.0044 (plus an additional improvement which can be toggled upon request in edge cases). Please open a support ticket when convenient and our global teams will be happy to help.

Cheers,

-Luke