Need a power shell command for Front End fail over?

We have a Lync 2013 infrastructure with 2 front ends and 2 edges.
The environment was setup by a partner and the servers were configured for failover in case one goes down in the pool.
However the last time windows updates were applied and the primary FE had to be restarted, the secondary FE did not automatically switch over as the active server and it caused a companywide outage.
In speaking with the contractor, they said that well no it would not automatically do this, you need to run a Lync PowerShell to have it switch over.
My BS radar went off, but I wanted to ask you if this sounds right or is possible.
If it must be done, could you give me the power shell command.
Thanks

Hi,
Did you solve the issue with the help of the people above provided?
If you use a Lync server Enterprise edition, it is recommended to deploy at least three FE servers.
If you use two Lync server Standard edition for DR,
when one of the servers fails in the Pool Pair, the administrator need to manually failover the pool to the other member of the Pool Pair using the
command: Invoke-CsPoolFailover -PoolFQDN <Pool1 FQDN> -DisasterMode -Verbose
The Automatic failover and failback for
Voice option and the associated time intervals in Topology Builder apply only to the voice resiliency features that were introduced in Lync Server 2010. Selecting this option does not imply that the pool failover discussed in this document is automatic.
Pool failover and failback always require an administrator to manually invoke the failover and failback.
You can refer to the link below about how to failover a pool:
http://technet.microsoft.com/en-gb/library/jj204678.aspx
Best Regards,
Eason Huang
Eason Huang
TechNet Community Support
Does it help, yes and no. FYI, we are running Enterprise Edition front ends for our single pool. The new environment was setup as a proof of concept and we installed the bare minimum # of servers at the time.
The articles suggested from above pretty much just say if one of your FE's goes down, bring it back up as soon as possible. Both of our FE's need windows updates applied ASAP and it could an hour or more (likely). Here is a quote from the article:
If for some reason you need to bring both servers down at the same time, do the following when the downtime for the pool is finished:
The best practice is to restart both Front End Servers at the same time.
If the two servers cannot be restarted at the same time, you should bring them back up in the reverse order of the order they went down.
If you cannot bring them back up in that order, then use the following cmdlet before bringing the pool back up:
Reset-CsPoolRegistrarState -ResetType QuorumLossRecovery -PoolFQDN <FQDN>
The last time the main FE went down for service, we left the secondary FE on but there was still an outage. Then brought back the formerly active FE fist and service was restored. Basically I need to know how to switch the passive to the active
node before/while the primary is offline. And if required once both FE's are back up, to switch the service from the secondary that became active, back to the primary server as it was before. Make sense? Perhaps I'm still missing something
after reading the articles. The powershell commands list just updating the topology after both servers come back online.

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