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In VS2015 there was various stuff running in the background, like "VsHub", etc. It connected to MS servers, and possibly leaked stuff. So the common approach was to delete those files.
In VS2017 there is even more weird stuff running in the background. However I've read that it performs more out-of-process stuff, so deleting it may not be feasible.
I have running:
...and I've seen other stuff pop in and out of my task manager.
I don't care about the resource/memory usage, as others have complained about. In our case it is an issue of privacy/security - we don't connect to any online service from our IDE, and we take privacy VERY seriously. Our code is our product and livelihood, so letting the tooling communicate with other servers, for who knows what reason, is downright idiotic. We don't want VS communicating with any outside service, ever.
Are any of you deleting these files like before? Does it cause problems? Anything in VS stop working?
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The serviceHub. Host. CLR. x86 is responsible for running some processes in the background for Visual Studio 2017/2019. Among other features, there are three Visual Studio features that run under this process and, in some cases, cause high CPU/Memory usage.
The ServiceHub processes are part of Visual Studio. They are used for tasks that run outside of the devenv.exe process, including VS sign-in, user settings management, managing extensions, and language service support (like Roslyn VB/C#, code analysis, etc). These processes are essential for VS to function correctly.
If no need for Visual Studio 2017 we can uninstall without going to “Programs and Features” in Control Panel. Open Visual Studio Installer and click uninstall option. After click Uninstall then click Ok to continue to uninstall. Uninstall will continue after clicking OK button.
Click OK to confirm your choice. If you change your mind later and want to reinstall 2022, start the Visual Studio Installer again, choose the Available tab, choose the edition of Visual Studio that you want to install, and then select Install.
Once you have installed GitHub Extension for Visual Studio 2017, you should connect to your GitHub account by doing the following: From Team menu, click Manage Connections. Click Connect to connect to your GitHub account. Or signup in case, you don't have a GitHub account by clicking SignUp.
In the following screenshot you can see six processes that all begin with ServiceHub. These start when I start VS-2017 CE. Annoyingly, they do not stop when I exit VS-2017 CE.
I use Glasswire free edition* (https://www.glasswire.com/) to monitor outgoing network traffic. The free version is not 100% ideal as it only reports connections as they happen, where the paid for version has an "ask first" option, but costs $50 per pc! If you want to flog the money to buy the full version it has some firewall tools to pre-emptively block outgoing traffic, which might be good enough to give you peace of mind that VS isn't sending data off into the unknown.
Today it caught VS (d:\program files (x86)\microsoft visual studio\2017\community\common7\servicehub\hosts\servicehub.host.clr.x86\servicehub.host.clr.x86.exe) initiating traffic to cs9.wpc.v0cdn.net (v0cdn.net seems to be registered by Verizon when do a registrar lookup https://www.whois.com/whois/v0cdn.net) IP: 93.184.221.200
The best solution I could find was to add hosts file entries to block the communication and telemetry reporting. (granted, it's not a permanent fix)
Here's a list I compiled from various blogs - review it line-by-line for your own use as things like skype and windows updates might stop working due to the hosts file blocks.
# W10 0.0.0.0 cs1.wpc.v0cdn.net 0.0.0.0 df.telemetry.microsoft.com 0.0.0.0 i1.services.social.microsoft.com 0.0.0.0 i1.services.social.microsoft.com.nsatc.net 0.0.0.0 oca.telemetry.microsoft.com 0.0.0.0 oca.telemetry.microsoft.com.nsatc.net 0.0.0.0 pre.footprintpredict.com 0.0.0.0 reports.wes.df.telemetry.microsoft.com 0.0.0.0 sqm.telemetry.microsoft.com 0.0.0.0 sqm.telemetry.microsoft.com.nsatc.net 0.0.0.0 statsfe1.ws.microsoft.com 0.0.0.0 telecommand.telemetry.microsoft.com 0.0.0.0 telecommand.telemetry.microsoft.com.nsatc.net 0.0.0.0 telemetry.appex.bing.net 0.0.0.0 telemetry.urs.microsoft.com 0.0.0.0 vortex-sandbox.data.microsoft.com 0.0.0.0 vortex-win.data.microsoft.com 0.0.0.0 vortex.data.microsoft.com # http://www.dslreports.com/forum/r30676597-Complete-Win10-blocking-host-file #0.0.0.0 fe2.update.microsoft.com.akadns.net #0.0.0.0 sls.update.microsoft.com.akadns.net 0.0.0.0 134.170.30.202 0.0.0.0 137.116.81.24 0.0.0.0 204.79.197.200 0.0.0.0 23.218.212.69 0.0.0.0 65.39.117.230 0.0.0.0 65.55.108.23 0.0.0.0 a-0001.a-msedge.net 0.0.0.0 a-0002.a-msedge.net 0.0.0.0 a-0003.a-msedge.net 0.0.0.0 a-0004.a-msedge.net 0.0.0.0 a-0005.a-msedge.net 0.0.0.0 a-0006.a-msedge.net 0.0.0.0 a-0007.a-msedge.net 0.0.0.0 a-0008.a-msedge.net 0.0.0.0 a-0009.a-msedge.net 0.0.0.0 a-msedge.net 0.0.0.0 a.ads1.msn.com 0.0.0.0 a.ads2.msads.net 0.0.0.0 a.ads2.msn.com 0.0.0.0 a.rad.msn.com 0.0.0.0 ac3.msn.com 0.0.0.0 ad.doubleclick.net 0.0.0.0 adnexus.net 0.0.0.0 adnxs.com 0.0.0.0 ads.msn.com 0.0.0.0 ads1.msads.net 0.0.0.0 ads1.msn.com 0.0.0.0 aidps.atdmt.com 0.0.0.0 aka-cdn-ns.adtech.de 0.0.0.0 apps.skype.com 0.0.0.0 arc.msn.com 0.0.0.0 az361816.vo.msecnd.net 0.0.0.0 az512334.vo.msecnd.net 0.0.0.0 b.ads1.msn.com 0.0.0.0 b.ads2.msads.net 0.0.0.0 b.rad.msn.com 0.0.0.0 bingads.microsoft.com 0.0.0.0 bs.serving-sys.com 0.0.0.0 c.atdmt.com 0.0.0.0 c.msn.com 0.0.0.0 cdn.atdmt.com 0.0.0.0 cds26.ams9.msecn.net 0.0.0.0 choice.microsoft.com 0.0.0.0 choice.microsoft.com.nsatc.net 0.0.0.0 compatexchange.cloudapp.net 0.0.0.0 corp.sts.microsoft.com 0.0.0.0 corpext.msitadfs.glbdns2.microsoft.com 0.0.0.0 db3aqu.atdmt.com 0.0.0.0 df.telemetry.microsoft.com 0.0.0.0 diagnostics.support.microsoft.com 0.0.0.0 ec.atdmt.com 0.0.0.0 edge.quantserve.com 0.0.0.0 fe2.update.microsoft.com.akadns.net 0.0.0.0 feedback.microsoft-hohm.com 0.0.0.0 feedback.search.microsoft.com 0.0.0.0 feedback.windows.com 0.0.0.0 flex.msn.com 0.0.0.0 fpt.live-partner.com 0.0.0.0 g.msn.com 0.0.0.0 h1.msn.com 0.0.0.0 i1.services.social.microsoft.com 0.0.0.0 i1.services.social.microsoft.com.nsatc.net 0.0.0.0 lb1.www.ms.akadns.net 0.0.0.0 live.rads.msn.com 0.0.0.0 m.adnxs.com 0.0.0.0 m.hotmail.com 0.0.0.0 msedge.net 0.0.0.0 msftncsi.com 0.0.0.0 msnbot-65-55-108-23.search.msn.com 0.0.0.0 msntest.serving-sys.com 0.0.0.0 oca.telemetry.microsoft.com 0.0.0.0 oca.telemetry.microsoft.com.nsatc.net 0.0.0.0 onesettings-bn2.metron.live.com.nsatc.net 0.0.0.0 onesettings-cy2.metron.live.com.nsatc.net 0.0.0.0 onesettings-db5.metron.live.com.nsatc.net 0.0.0.0 onesettings-hk2.metron.live.com.nsatc.net 0.0.0.0 pre.footprintpredict.com 0.0.0.0 preview.msn.com 0.0.0.0 pricelist.skype.com 0.0.0.0 rad.live.com 0.0.0.0 rad.msn.com 0.0.0.0 redir.metaservices.microsoft.com 0.0.0.0 reports.wes.df.telemetry.microsoft.com 0.0.0.0 rpt.msn.com 0.0.0.0 s.gateway.messenger.live.com 0.0.0.0 s0.2mdn.net 0.0.0.0 sO.2mdn.net 0.0.0.0 schemas.microsoft.akadns.net 0.0.0.0 secure.adnxs.com 0.0.0.0 secure.flashtalking.com 0.0.0.0 services.wes.df.telemetry.microsoft.com 0.0.0.0 settings-sandbox.data.microsoft.com 0.0.0.0 settings-win.data.microsoft.com 0.0.0.0 settings.data.glbdns2.microsoft.com 0.0.0.0 sls.update.microsoft.com.akadns.net 0.0.0.0 sqm.df.telemetry.microsoft.com 0.0.0.0 sqm.telemetry.microsoft.com 0.0.0.0 sqm.telemetry.microsoft.com.nsatc.net 0.0.0.0 ssw.live.com 0.0.0.0 static.2mdn.net 0.0.0.0 statsfe1.ws.microsoft.com 0.0.0.0 statsfe2.update.microsoft.com.akadns.net 0.0.0.0 statsfe2.ws.microsoft.com 0.0.0.0 survey.watson.microsoft.com 0.0.0.0 telecommand.telemetry.microsoft.com 0.0.0.0 telecommand.telemetry.microsoft.com.nsatc.net 0.0.0.0 telecommand.telemetry.microsoft.com.nsatc.net 0.0.0.0 telemetry.appex.bing.net 0.0.0.0 telemetry.appex.bing.net:443 0.0.0.0 telemetry.microsoft.com 0.0.0.0 telemetry.urs.microsoft.com 0.0.0.0 ui.skype.com 0.0.0.0 v10.vortex-win.data.metron.live.com.nsatc.net 0.0.0.0 v10.vortex-win.data.microsoft.com 0.0.0.0 view.atdmt.com 0.0.0.0 vortex-bn2.metron.live.com.nsatc.net 0.0.0.0 vortex-cy2.metron.live.com.nsatc.net 0.0.0.0 vortex-db5.metron.live.com.nsatc.net 0.0.0.0 vortex-hk2.metron.live.com.nsatc.net 0.0.0.0 vortex-sandbox.data.microsoft.com 0.0.0.0 vortex-win.data.metron.live.com.nsatc.net 0.0.0.0 vortex-win.data.microsoft.com 0.0.0.0 vortex.data.glbdns2.microsoft.com 0.0.0.0 vortex.data.metron.live.com.nsatc.net 0.0.0.0 vortex.data.microsoft.com 0.0.0.0 watson.live.com 0.0.0.0 watson.microsoft.com 0.0.0.0 watson.ppe.telemetry.microsoft.com 0.0.0.0 watson.telemetry.microsoft.com 0.0.0.0 watson.telemetry.microsoft.com.nsatc.net 0.0.0.0 wes.df.telemetry.microsoft.com 0.0.0.0 wes.df.telemetry.microsoft.comne If you love us? 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