{"id":155,"date":"2008-02-06T14:45:00","date_gmt":"2008-02-06T14:45:00","guid":{"rendered":"https:\/\/brainlitter.itgroove.net\/2008\/02\/06\/wierd-windows-virtual-pc-guest-os-behaviour-routing-pinging-etc\/"},"modified":"2008-02-06T14:45:00","modified_gmt":"2008-02-06T14:45:00","slug":"wierd-windows-virtual-pc-guest-os-behaviour-routing-pinging-etc","status":"publish","type":"post","link":"https:\/\/regroove.ca\/brainlitter\/2008\/02\/06\/wierd-windows-virtual-pc-guest-os-behaviour-routing-pinging-etc\/","title":{"rendered":"Wierd Windows Virtual PC guest OS behaviour (routing, pinging, etc.)"},"content":{"rendered":"
\n

So, if you end up with Windows VM\u2019s that were copied (not imported), you can end up with the same MAC Addresses. This can lead to \u2018wierd\u2019 behaviour if Windows Virtual Machines\/Guests are on the same network and you will get intermittent (and often unexplainable) behaviour in regards to connecting, pinging, routing, whatever.<\/p>\n

To fix:<\/strong><\/p>\n

1. Down the VM<\/p>\n

2. Find the ‘ethernet_card_address_type’ in the VM’s VMC file – such as… 0003FFxxxxxx<\/em><\/strong><\/p>\n

3. Remove the number so the line appears as follows:
<\/strong><\/p>\n

4. After you remove the number, Virtual Server will create a new MAC address the next time you start the virtual machine.
Karel, cc\u2019d you for your notes as although today was a little different, the problem\/fix described above is what we had to deal with a few weeks ago and I imagine there might be a few VM\u2019s floating around the office based on that original copy.<\/p>\n

Reference: https:\/\/technet2.microsoft.com\/windowsserver\/en\/library\/8f68598a-95e0-402d-b22b-c34db68397b41033.mspx?mfr=true<\/a> <\/p>\n

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So, if you end up with Windows VM\u2019s that were copied (not imported), you can end up with the same MAC Addresses. This can lead to \u2018wierd\u2019 behaviour if Windows Virtual Machines\/Guests are on the same network and you will get intermittent (and often unexplainable) behaviour in regards to connecting, pinging, routing, whatever. To fix: … <\/a><\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[189],"tags":[],"acf":[],"yoast_head":"\nWierd Windows Virtual PC guest OS behaviour (routing, pinging, etc.) - Brainlitter - Inside the mind of Sean Wallbridge<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/regroove.ca\/brainlitter\/2008\/02\/06\/wierd-windows-virtual-pc-guest-os-behaviour-routing-pinging-etc\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Wierd Windows Virtual PC guest OS behaviour (routing, pinging, etc.) - Brainlitter - Inside the mind of Sean Wallbridge\" \/>\n<meta property=\"og:description\" content=\"So, if you end up with Windows VM\u2019s that were copied (not imported), you can end up with the same MAC Addresses. This can lead to \u2018wierd\u2019 behaviour if Windows Virtual Machines\/Guests are on the same network and you will get intermittent (and often unexplainable) behaviour in regards to connecting, pinging, routing, whatever. 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