Yes, you can install PAS (Primary Application Server) and AAS (Additional Application Server) on the same servers as ASCS/ERS cluster. However, it's important to note that this configuration may not be optimal for performance and high availability.
The ASCS (ABAP SAP Central Services) and ERS (Enqueue Replication Server) are critical components of the SAP system, and they are usually installed on separate servers to ensure high availability and performance. If you install the PAS and AAS on the same servers, they will compete for resources with the ASCS and ERS, which could potentially impact the performance and availability of your SAP system.
Therefore, while it's technically possible to install PAS and AAS on the same servers as ASCS/ERS cluster, it's generally recommended to install them on separate servers for optimal performance and high availability.
However, your specific requirements and constraints may dictate otherwise. If you have limited hardware resources, or if your SAP system is not heavily used, then installing PAS and AAS on the same servers as ASCS/ERS cluster might be a viable option.
In any case, you should carefully evaluate your specific needs and constraints before making a decision.
Bluesky
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