VMS blocks the internet connection

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Robert
Posts: 292
Joined: 21 Jan 2012, 09:25
Location: Toulouse - France
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VMS blocks the internet connection

Post by Robert » 30 Nov 2018, 14:45

Hi all,

When we start the VMS, internet connection is regularly blocked until we stop the service.

Do you have the same issue ?

Regards,

Robert

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Karol
Posts: 560
Joined: 10 Jan 2012, 12:07

Re: VMS blocks the internet connection

Post by Karol » 03 Dec 2018, 11:10

Hi Robert,

we heard about this problem from another customer but we have no idea what is going on.
I you encounter this problem next time could you please check the memory usage of the VMS Services?
And please start cmd.exe as Admin and type
netstat -a -p tcp –n
and
netsh int ipv4 show dynamicport tcp

The output of both commands would be interesting.
Which Ventuz version are installed on these machines?

Best Regards
Karol

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Robert
Posts: 292
Joined: 21 Jan 2012, 09:25
Location: Toulouse - France
Contact:

Re: VMS blocks the internet connection

Post by Robert » 03 Dec 2018, 11:59

Hi Karol,

The version in use is Ventuz 6.02.01.58.
Please find attached output files.

thx

Robert
Attachments
netstat.zip
(7.75 KiB) Downloaded 24 times

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Karol
Posts: 560
Joined: 10 Jan 2012, 12:07

Re: VMS blocks the internet connection

Post by Karol » 03 Dec 2018, 14:13

Hi Robert,

thank you for the logs.

I see two problems here:
1) Your dynamic port range is set from 10000 to 10999 (1000). Which is rather small. A default Windows installation has a port range from 49152-65535 (16348).

2) The VMS service creates multiple connections to 10.0.0.2 and 10.0.0.26. Instead of using one connection they seem to pile up until your ports are exhausted. I want to file this for our developers. Can you give us more information about the network structure? Managed switches, firewalls (software or hardware) between these machines? (Send this information via private message.)

So problem number 2 shows symptoms early because of problem number 1. Without problem number 1 you would have symptoms after 16 times the duration.

I do not know which communication causes these hanging connection but I guess it is the internal messaging between VMS systems. Please try to edit the network config found in "C:\Users\Public\Documents\Ventuz6\Configuration\NetworkConfig.vnetcfg".
And set VMSMessagesDisabled to false.

Your config should now look like this:

Code: Select all

<NetworkConfig>
  <Ports>
    <Remoting4>19400</Remoting4>
    <VMS_V4>19401</VMS_V4>
    <Discovery_V4>19402</Discovery_V4>
    <VMS2_V5>19404</VMS2_V5>
    <VMS_V5>19405</VMS_V5>
    <Discovery_V5>19406</Discovery_V5>
    <VMS2>20404</VMS2>
    <VMS>20405</VMS>
    <Discovery>20406</Discovery>
  </Ports>
  <FilterRules />
  <VMSMessagesDisabled>true</VMSMessagesDisabled>
</NetworkConfig>
Then restart the VentuzMS6 (Ventuz Machine Service 2.6) service or reboot your machine.

I hope this helps.
Karol

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Karol
Posts: 560
Joined: 10 Jan 2012, 12:07

Re: VMS blocks the internet connection

Post by Karol » 03 Dec 2018, 14:26

And do you have any Anti-Virus programs installed?

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