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Windows Server as Domain Controller: Failed TREX Installation

Oct 25, 2017 at 01:13 PM

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Hi community,

We had installed SAP systems (SMD, SMJ, ERD etc.) in windows server 2012 R2 and it is running fine.

To get the FQDN, we had configured Active Directory and DNS in windows server. Now while we try to install TREX and a SAP system, we cannot proceed because of the domain controller. (The users which are created during the installations can not be assigned to a authorization group on OS level.)

What will be the best possible solution? We need to install more SAP Systems and one TREX but this is not possible because of the Domain Controller. But we also need a FQDN and therefore the DNS and Active Directory.

Thanks in advance!

Kind regards,

Schady

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1 Answer

Karl-Heinz Hochmuth
Oct 27, 2017 at 04:59 AM
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Hello Schady,

can you please explain your problem a little more in detail?

You have already a bunch of SAP systems running. I guess they use local users?

Now you have installed a Windows domain (= Active Directory). And you have installed a DNS server which runs on a domain controller.

Now you have a DNS zone with a FQDN. If you now join Windows servers as "member servers" to this new AD, then you an install fresh SAP systems and TREX servers using domain users and groups.

Please give us some more information about your infrastructure. I didn't understand your problem so far.

Clarification: DNS domain name (FQDN) and Windows domain name can be the same, but it doesn't have to.

Best regards,

Kalle

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