Plesk license update error

Hi Friends,

I have multiple Plesk servers with OVH and the license is provided by OVH. I am facing same issue in all the servers.

I have 15+ shared IP(Without NAT) added to each server and Plesk not detecting the main IP when it try to update/install the license.

For example,

If server main IP is a.a.a.a, plesk shows below error when I try to install license,

+++++++
Request cannot be serviced from the specified IP(s): b.b.b.b (Error code: 2)
+++++++

I noticed that the IP b.b.b.b is...

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