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Longs start of .NET applications from network drive

AndrejK

Hello,

We are having problems with Sophos On-Access scanner. When enabled (always and default for every workstation in company) it can take up to 60-120 seconds before a .NET application located on network drive will start. It includes a single executable and around 10MB of DLL libraries which are located in same folder. If I disable On-Access scanning it opens instantly.

If I check the Task Manager I can see that Savservice.exe is peaking at around 20-40% which tells me that DLL files are beeing scanned. And this is taking way too long.

I tried to exclude the folders like so:

\\SERVER\SHARE\FOLDER\ and

X:\FOLDER\

or any other possible exclusion solution but none helped. When user closes application and starts it again from same network path it will open almost instantly. Until next reboot that is.

What can I do? How to correctly exlude those folder from beeing scanned or how to setup the Endpoint so the DLL files are not scanned everytime?

We are using Windows 7 Pro 64bit OS, Novell Netware file server and latest up-to-date version of Sophos Endpoint Security (9.7).

Thank you for your support.

:25101


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    Done. We updated all our clients to version 10.0.4 VDL 4.77G. Smooth update using Sophos Enterprice Console.

    Before testing I rebooted the computer and redone all the test. Exactly the same. It takes 3-4 minute to copy 11.3MB of .NET application from Novell Netware file server to local HDD. Same thing if I run the executable from network. But if I copy it twice in another folder on HDD it finishes in 1-2 seconds.

    Current exclusion list looks like this:

    \\SERVER\SHARE\FOLDER

    \\SERVER\SHARE

    X:\FOLDER

    X:\

    But I did some more testing using Windows XP. Same exclusion rules and 1-2 seconds to open! So the problem must be in Windows 7 SP1 64bit that we are now implementing in our company.

    Can you I do some other tests to confirm this?

    :25163
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  • 0

    Done. We updated all our clients to version 10.0.4 VDL 4.77G. Smooth update using Sophos Enterprice Console.

    Before testing I rebooted the computer and redone all the test. Exactly the same. It takes 3-4 minute to copy 11.3MB of .NET application from Novell Netware file server to local HDD. Same thing if I run the executable from network. But if I copy it twice in another folder on HDD it finishes in 1-2 seconds.

    Current exclusion list looks like this:

    \\SERVER\SHARE\FOLDER

    \\SERVER\SHARE

    X:\FOLDER

    X:\

    But I did some more testing using Windows XP. Same exclusion rules and 1-2 seconds to open! So the problem must be in Windows 7 SP1 64bit that we are now implementing in our company.

    Can you I do some other tests to confirm this?

    :25163
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