Problem with DNS/AD causes misery to the NSX level

NSX for vSphere: recovery of distributed firewall vCenter lockout | Telecom from time to time

An excellent document yet, I would also like to add that it is a good idea to move your DNS/AD servers out of danger, if you decide to play with SG and firewall rules - lose these evidence of very dangerous systems, and your mileage may vary if you inadvertently isolate these services of vCenter and Bishop NSX.

vCenter is getting really upset and reloading it makes things only worse - so best to avoid this situation at all costs.

concerning

Rik

Hello Rik,

Like your workload NSX manager, you must create a logical separation of this your Manager control plane NSX, depends on your design of course.

Like most vSphere, ESXi, etc. VCSA. NSX is no different and depends heavilly on your being present, DNS infrastructure set up correctly and accessible.  Your message is really not what problem have you met but you should start by any - any status and layer on the rules for the DFW or ESG you need, while keeping your breakglass root/local accounts practice until you are finished testing.

Again all ILO, IMM, sides, MMIC connectivity should be excluded from firewalls to ensure that you have access to out of band management in the case of a DR.

Regarding the integration of commercials, Manager NSX 5.5 suffers the same issues esxi did, although they share is not the same kernel, because they share the same implementation similarly borrowed from the linux Kernel to join computers to the AD.  However, they don't follow the pattern of windows and require more permissions on a larger set of attributes of the object computer account and therefore delegate total control is a practical approach to operations more allowing you to reach your manager host/nsx in AD while maintaining the delegated control/administration.

As with almost all vSphere infrastructue "tis the DNS" is often the answer to what was the problem.

Tags: VMware

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