![]() ![]() I have not seen a pattern regarding whether or not it is only certain guest OS that lose network but we are primarily a Windows environment. Here are some of the specs - all environments are virtually identical except for memory: That seems to have fixed that but we still have the issue. VMware saw a bunch of SAN errors in our log files so we updated our SAN firmware to the latest version. I can re-install the virtual adapter completely, and it will re-gain network. I can reboot it and it will re-gain network. I can also fail the troubled VM back over to the prior host and it will regain network. ![]() The workaround? Simply "disconnect" the virtual NIC and "reconnect" it, and the VM will start returning packets. In fact, I can fail over 3 virtual machines from one host to another, and 2 of the 3 may fail over correctly, while one will lose network. The strange thing is that other guests on the VM host are fine - they do not lose network at all. Occasionally, though far less frequently, virtual machines will also spontaneously lose network over night. ![]() Since configuring our production and DMZ clusters we have been noticing that virtual machines will sometimes drop network connectivity after a successful vMotion or Storage vMotion. I have a couple of tickets open with VMware and our SAN vendor, EqualLogic, on this issue. ![]()
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