VMware vSphere 5.1 causing network timeouts

10 pts.
Tags:
VMware vSphere
vSphere 5.1
Windows Server 2008 R2
Wireshark
We have a VMware vSphere 5.1 Have recently migrated an application,currently Windows 2008 R2 OS from a previous HP-UX server. Application is much faster and very efficient, except we are having a problem with system timeouts. All application timeout settings have been set to 60 min. But users are experiencing timeouts, idle or not, within 10-15 minutes. I have used WireShark to analyze the activity from server to app and have see a reset (RST) sent from server to app. Do you have any suggestions or direction for me to look. Thanks
Tom D.
I have put a sample below:

Frame 195281: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface 0

Ethernet II, Src: DellPcba_83:09:ec (b8:ca:3a:83:09:ec), Dst: Cisco_08:6c:0a (00:13:5f:08:6c:0a)

Internet Protocol Version 4, Src: 172.18.159.xxx (172.18.159.xxx), Dst: 172.18.17.xxx (172.18.17.xxx)

Transmission Control Protocol, Src Port: 57932 (57932), Dst Port: telnet (23), Seq: 407, Ack: 14391, Len: 0

 

No.     Source                Destination Protocol Length

 196984 172.18.17.164         172.18.159.185        TCP 60     telnet > 57932 [RST, ACK] Seq=14391 Ack=407 Win=65280 Len=0

 

Frame 196984: 60 bytes on wire (480 bits), 60 bytes captured (480 bits) on interface 0



Software/Hardware used:
VMware vSphere 5.1, Wireshark Analyzer, Windows 2008 R2

Answer Wiki

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Hi, hopefully this response addresses your timeout issue:
http://searchvmware.techtarget.com/answer/How-to-hunt-down-VM-network-timeout-issues-with-performance-charts

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  • Genderhayes
    Three hours  is generally sufficient, but in some environments, you might need to increase the timeout values to a longer period Windows 2008 c:\programdata\VMware\VMware\virtualcenter\vpxd.cfg


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