Server-side integrations have many benefits, which I am not going to enumerate. If you can choose between server-side and client-side integrations, I would generally recommend server-side. However, there is always one drawback: debugging. You cannot see what happens between the servers. This is the case of the Adobe Target and Adobe Audience Manager integration. I have personally had to debug it a few times and this is how you can do it.
In large projects, one of the typical questions I get asked is: should we use one Adobe Marketing Cloud (AMC) or multiple? Unfortunately, there is no black or white answer here, but many shades of grey. However, in the end, you have to choose one option and this decisions is final. Let me share with you some tips to choose wisely.