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Remote RPDU firmware version does not match

APC UPS Data Center & Enterprise Solutions Forum

Schneider Electric support forum for our Data Center and Business Power UPS, UPS Accessories, Software, Services, and associated commercial products designed to share knowledge, installation, and configuration.

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Remote RPDU firmware version does not match

This question was originally posted by Stavros on APC forums on 11/11/2019

Hello All,

We have an environment of RPDUs (Model AP8653) who are connected as hosts and guests.  We are running firmware 6.6.4 on NMC2.

We get frequent alerts from the hosts, that go like this:

 11/10/2019 15:09:21 RPDU Rack PDU 2: Remote RPDU 1 (SN: ...) communication established.
 11/10/2019 15:09:21 RPDU Rack PDU 2: Remote RPDU 1 (SN: ...) firmware version alarm has been cleared.
 11/10/2019 15:09:06 RPDU Rack PDU 2: Remote RPDU 1 (SN: ...) firmware version does not match.

Now this is something we would normally see during an upgrade.  But this keeps happening ar random intervals on random hosts.

This to me looks as if the host or guest RPDU falls back to an earlier firmware and then upgrades again

I would like to hear your thoughts