Vmware NSX

I have NSX in my environment. My vCenter license has been expired & i need to re-install my vCenter.
The new vCenter will be of the same IP Address of my old vCenter.
In this case will there by any impact to my NSX. Once the new vCenter comes up with the same IP address will my NSX manager will start working or do I need to do any thing additional for my NSX to work.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
No need to re-install vCenter Server just because it's expired, you just need to add a valid license.

Unless, you are playing the try the evaluation game, and re-installing every 60 days.
SrikantRajeevAuthor Commented:
yeah i am using evaluation since i am doing POC.
In this case let me know what should i do
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
vCenter Server is just a management server, NSX Manager registers with vCenter Server and SSO, but it is responsible for NSX.

vCenter Server is used to interface to NSX Manager for configuration.

You will need to re-register NSX Manager to vCenter Server/SSO, it injects a plugin, which the Web Client can use.

It is not normal to re-install VMware vCenter Server as part of a production infrastructure/POC, we would recommend that you work with VMware on your Proof of Concept, so they could provide you with longer evaluation licenses if required for the length of your POC.
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SrikantRajeevAuthor Commented:
So i just need to re-register my NSX Manager to the vCenter server. I don't need to take care of anything else. I don't need to re-install my NSX Manager or any of the components again.
All my NSX configurations & settings will remain the same.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Correct, NSX Manager has a 1:1 relationship with vCenter Server, just remove the existing registration, and add a new one.

At present you should find everything is working correctly, you just cannot manage or view via vCenter Server because it's expired.
SrikantRajeevAuthor Commented:
vDS configuration information is stored in the vCenter. This is my understanding.
So once i build new vCenter even with the same hostname & IP Address will it work.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
SrikantRajeevAuthor Commented:
i tried this. But my VDS is gone. I think i need to rebuild my VDS again.
Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
very odd, if you lose vCenter Server, vDS should not fail or disappear.

If it's gone, and you have no backup, then you'll have to re-create.

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SrikantRajeevAuthor Commented:
Configuration info for the vDS is stored in the vCenter database.

While the existing hosts will continue to run, and retain their network configuration, you will not be able to modify any of the vDS settings.
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