Resetting DNS changes at adapter level in Microsoft Azure

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Microsoft Azure IaaS (Infrastructure as a Service) is picky when it comes to change DNS and network adapter settings at the VM level.

Solution


If for some reason you lost connectivity after playing with DNS/IP settings at the adapter level of your VM, then a good approach to solve the issue is redeploying the VM, this process will move the VM to a different host and by doing that the NIC interface will be reset.

The process is simple, inside of the VM properties, click on Redeploy under Support + Troubleshooting section.

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In the new blade, confirm the redeploy process by hitting the Redeploy button. Keep in mind that the VM will be restarted as part of the process and it will take sometime for the VM to come back.

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Wait the process to finish and then try to connect again.

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If you want more information about DNS resolution in Microsoft Azure, this document is great start and it contains all scenarios and possible solutions, as follows: https://azure.microsoft.com/en-us/documentation/articles/virtual-networks-name-resolution-for-vms-and-role-instances/

Written by Anderson Patricio

Anderson Patricio

Anderson Patricio is a Canadian MVP in Cloud and Datacenter Management, and Office Server and Services, besides the Microsoft Award he also holds a Solutions Master (MCSM) in Exchange and several other certifications. Anderson has been contributing to the Microsoft Community with articles, tutorials, blog posts, twitter, forums and book reviews. He is a regular contributor here at ITPROCentral.com, MSExchange.org, Techgenix.com and Anderson Patricio.org (Portuguese).

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