We have an existing ePO ver. 5.3.1 (IP-22.214.171.124)along with separate Agent Handler(IP-126.96.36.199) (Published over Internet(IP-188.8.131.52)), we have many systems those connect via broadband to published agent handler.
Now we have setup an new ePO ver.5.10(IP-184.108.40.206) along with separate new Agent Handler(IP-220.127.116.11) (Published over Internet(IP-18.104.22.168))
So here the confusion is, when we transfer the systems from existing ePO to New ePO, how the systems which are connecting via broadband to published Agent Handler(Existing) will communicate to new Agent Handler. Because the systems which are communicating via broadband doesn't have connectivity to both the ePO server directly (they have only connectivity to published Agent Handler)
Because as per my understanding when we initiate System Transfer it only updates ePO server details but not AH details.
The only option which will help here is to publish New ePO to fullfill the achievement. Or to install Agents manually.
But here we are not planning to publish ePO over internet, So is there any other way/workaround which will help us to meet out requirements.
Once a system is marked for transfer, it will still appear in the originating server until the agent
performs an ASCI. Once that is done, the originating server sends it a temporary sitelist pointing it to
the target server. When the agent performs a second ASCI, it will call into the target server and get
a normal sitelist, and at that time it will begin appearing in the target ePO server. However, the agent
will not show up in either server between the 1st and 2nd ASCI's.
Also if you chose automatic export the sitelist from the new epo server and verify the agent handlers are listed in it. Then import it and see if that helps. First try to transfer one system and see if that works, if yes then you can go head and transfer all.
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The transfer systems concept is source to destination ePO, it wont involve the RAH entries while doing the transfer.
When you transfer the system intiaite is triggered, it writes the entry in the table as below.
The table contains a entry with the destination ePO entry with the certs to update.
The first ASCI it will receives the updated sitelsit and second ASCI it will contact to Destination ePO and then will download the complete sitelist belongs to destination ePO with all entries of the epo & RAH or what ever the assignment rule stating so.
Moreover, the transfer systems will take the inputs from the Server.ini file, which contains only the ePO's information, hence it will not deal with RAH's here
The alternative way for your env, to temporarily configure the destination ePO with public IP before transfer and then get all machines moved and remove this public IP and change natting to RAH as it before.
Other than this, you can use the SCCM / Group Policy / Login scripts / Manual install of MA to get reporting to new ePO as simplest way if you consider the configuring public Ip is not a possible way for your customer.
Once your new server is set up, you can set your 22.214.171.124 published dns and IP to point to the new server. Don't transfer systems till you do that, as once you initiate the transfer, they will only have the new epo server in their sitelist and no agent handlers and communication will be lost and they won't be able to connect. By changing the published dns for the external agent handler, they can then talk to it and get an updated sitelist. You can also do some dns redirects to point those external systems to the new agent handler.
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