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Open vSwitch Extension is not running on any switch

asked 2016-06-22 16:46:10 +0300

JohnF gravatar image
PS C:\Users\Administrator> ovs-vsctl.exe add-br br-port3
ovs-vsctl:  Error detected while setting up 'br-port3'.  See ovs-vswitchd log for details.

From the ovs-vswitchd log:

2016-06-22T13:27:04.187Z|00030|wmi|WARN|Open vSwitch Extension is not running on any switch
2016-06-22T13:27:04.188Z|00031|wmi|WARN|Could not find HRESULT description for: 0.
2016-06-22T13:27:04.188Z|00032|dpif_netlink|ERR|Could not create wmi internal port with name:br-port3
2016-06-22T13:27:04.188Z|00033|bridge|INFO|bridge br-port3: using datapath ID 00009a9ef2a50240
2016-06-22T13:27:04.188Z|00034|connmgr|INFO|br-port3: added service controller "punix:C:\ProgramData\openvswitch\/br-port3.mgmt"

However, I do have the vSwitch configured with it:

PS C:\Users\Administrator> get-VMSwitchExtension -VMSwitchName vSwitch -Name "Open vSwitch Extension"

Id                  : 583CC151-73EC-4A6A-8B47-578297AD7623
Name                : Open vSwitch Extension
Vendor              : Open vSwitch
Version             :
ExtensionType       : Forwarding
ParentExtensionId   :
ParentExtensionName :
SwitchId            : 9224fc44-b9eb-49cf-b1f8-e5a6c57893e7
SwitchName          : vSwitch
Enabled             : True
Running             : True
ComputerName        : WIN-HQHVLTQ4OLK
Key                 :
IsDeleted           : False

So what am I doing incorrectly? I'm following the blog post from

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answered 2016-06-22 17:02:09 +0300

aserdean gravatar image

updated 2016-07-14 04:18:03 +0300

Please stop the service ovs-vswitchd. Clear the log file and then start the service ovs-vswitchd again.

We have an issue during reboots that is addressed but not published under release yet.

UPDATE:Please try the installer it should fix the problem. We will update the stable installer soon.

Thanks, Alin.

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Same issue after restarting the agent

JohnF gravatar imageJohnF ( 2016-06-22 17:06:36 +0300 )edit

I updated my previous answer. Could issue the above and try a reboot?

aserdean gravatar imageaserdean ( 2016-06-22 17:23:19 +0300 )edit

Set-Content : A positional parameter cannot be found that accepts argument 'start/strcustom/6066F867-7CA1-4418-85FD-36E3F9C0600C/VmmsWmiEventProvider'. At line:1 char:1 + sc triggerinfo ovs-vswitchd start/strcustom/6066F867-7CA1-4418-85FD-36E3F9C0600C ... + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

JohnF gravatar imageJohnF ( 2016-06-22 18:04:04 +0300 )edit

+ CategoryInfo : InvalidArgument: (:) [Set-Content], ParameterBindingException + FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.PowerShell.Commands.SetContentCommand

JohnF gravatar imageJohnF ( 2016-06-22 18:04:15 +0300 )edit

Regular CMD call not from powershell.

aserdean gravatar imageaserdean ( 2016-06-22 18:45:24 +0300 )edit

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Asked: 2016-06-22 16:46:10 +0300

Seen: 262 times

Last updated: Jul 14 '16