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Knowledge Base

[Bulk Archived] Port 8085 in VMware vCenter Server (1030246)

Last Updated: 3/20/2024Categories: How toTotal Views: 24430Language:
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Symptoms

The results of the netstat command on vCenter Server show a high number for port 8085.

For example:

H:\>netstat -an | find ":80" |find /c "ESTAB"
268

H:\>netstat -an | find ":80" |find /c "TIME_"
3746

H:\>netstat -an | find ":8085 " | find /c "4924"
2

C:\Documents and Settings\Administrator>netstat -an | find ":8085 " | find "4924"
TCP 127.0.0.1:4924 127.0.0.1:8085 ESTABLISHED
TCP 127.0.0.1:8085 127.0.0.1:4924 ESTABLISHED

In the vpxd.log file, you see entries similar to:

vpxd-19.log:2010-11-10T17:20:37.359-08:00 [10180 error 'HttpConnectionPool'] [ConnectComplete] Connect error Only one usage of each socket address (protocol/network address/port) is normally permitted.
vpxd-19.log:2010-11-10T17:20:37.359-08:00 [10584 error 'Default' opID=4c7bcb32] [VpxdClientAdapter] Got vmacore exception: Only one usage of each socket address (protocol/network address/port) is normally permitted.

Purpose

This article provides information about port 8085 in vCenter Server.

Resolution

If you look in the proxy.xml file in the C:\Documents and Settings\All Users\Application Data\VMware\VMware VirtualCenter directory, you see this endpoint for port 8085:

<e id="5">
<_type>vim.ProxyService.LocalServiceSpec</_type>
<accessMode>httpsWithRedirect</accessMode>
<port>8085</port>
<serverNamespace>/sdk</serverNamespace>
</e>

This means that 8085 is the port where all the SDK connections to vCenter Server are being made, which in turn means that vSphere Client and any scripts built on vCenter Server SDK use this port.

If there are a lot of scripts or applications making connections with vCenter Server, it is possible to see a large number of ports in a TIME_WAIT state. This is normal because Windows keeps a socket in TIME_WAIT state for certain period of time (Twice Maximum Segment Lifetime, so this wait could be 4 minutes) before recycling it back for use.

By default, vCenter Server has 3976 ephemeral ports. If you are running out, you can increase the limit.

To allow more local ports to be available:

Open Registry Editor (Regedt32.exe).

Locate this key in the registry:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

Right-click Parameters and choose New DWORD Value.

Enter MaxUserPort in the Name data box, enter 65534 (Decimal) in the Value data box, then click OK.

Note: The default setting for the MaxUserPort value is 5000 (Decimal).The maximum value for Windows Server 2003 is 65534 (Decimal).

Close Registry Editor.

Restart the machine for the new setting to take effect.

Related Information

For information related to troubleshooting port 8085, see vCenter Server fails to start VMOMI services after upgrading vCenter Server (1013240).vCenter Server fails to start VMOMI services after upgrading vCenter Server

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End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

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Download and Install VMware Fusion (2014097)

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