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Can you not just add the root as trusted?
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Can you not just add the root as trusted?

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Could someone please help with the below scenario:<br />
We have an existing forest a.corp.com with a running CA. We have have created one another forest (business purpose) b.corp.com and installed new CA. Created forest trust between the forests.<br />
We have installed a new SCCM infra in the new forest b.corp.com. Now we want to manage clients in the forest a.corp.com with the configuration manager client certificate issued from the b.corp.com forest. <br />
We have seen the MS article AD CS: Deploying Cross-forest Certificate Enrollment, but we don't want to perform all the steps mentioned here like consolidation of certificates. We just want to get the configuration manager client certificate in the remote forest a.corp.com clients. Could you advise the best method to configure this without making issues in our current CA (note - we already have forest trust between the forests).<br />
<br />
AKay
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Could someone please help with the below scenario:
We have an existing forest a.corp.com with a running CA. We have have created one another forest (business purpose) b.corp.com and installed new CA. Created forest trust between the forests.
We have installed a new SCCM infra in the new forest b.corp.com. Now we want to manage clients in the forest a.corp.com with the configuration manager client certificate issued from the b.corp.com forest. 
We have seen the MS article AD CS: Deploying Cross-forest Certificate Enrollment, but we don't want to perform all the steps mentioned here like consolidation of certificates. We just want to get the configuration manager client certificate in the remote forest a.corp.com clients. Could you advise the best method to configure this without making issues in our current CA (note - we already have forest trust between the forests).

AKay

Cross forest Certificate

Enterprise Certificate Authority

Systems Center Configuration Manager (SCCM, formerly known as Systems Management Server) is Microsoft’s system software for managing large groups of not only Microsoft computers, but those running other operating systems, such as Linux, OS-X, and various mobile technologies.