Two systems hold the same customer and both let somebody edit it, so connecting SAP and Microsoft Dynamics 365 CRM is mostly a decision about which side owns which part of that customer.
The customer exists twice. SAP holds the account finance bills and Microsoft Dynamics 365 CRM holds the relationship sales manages, and both let somebody change an address. Whichever was edited last is the one that looks current, which is how an invoice goes to a site that closed and a rep calls a contact who left. Nobody decided this; it is what happens when two systems are allowed to own the same thing. Connecting SAP and Microsoft Dynamics 365 CRM makes the ownership explicit, so a change made on the side that owns it reaches the other and a change made on the side that does not is stopped.

Account standing and open orders from SAP sit on the account in Dynamics 365 CRM, so a rep knows before promising anything whether the customer can take another order.
Which system decides an address and which decides a contact is settled once, so an edit on the wrong side is refused rather than overwriting the version finance bills against.
The question a rep would send finance by message is answered on the account in front of them, so finance spends less of the week answering it and sales less of it waiting.
A customer detail corrected where it is owned reaches the other system rather than staying where it was typed, so two teams stop working from two versions of one company.
When a rep opens an account in Microsoft Dynamics 365 CRM, the SAP standing and open order position are already on it, so the size of the quote is shaped by what the business will accept rather than withdrawn after approval fails.
When somebody changes a billing address in the system that does not own it, the change is held and named rather than written across, so the version SAP invoices against survives a well-meant correction made in the CRM.
When a customer is created on the owning side, the same customer appears on the other rather than being typed again, so the two carry the same identifier from the first day instead of being reconciled later on.
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A scheduling tool that books engineer visits is the one that exposes whether this was done properly. If it had been, the engineer arrives at the address finance bills and the contact the rep spoke to; if it had not, the visit is booked against whichever version the scheduler happened to read. Alumio holds that connection alongside this one and reuses the same ownership rules.
Yes, and standing and open orders are usually wanted together rather than separately, because a rep judging an opportunity needs both at once. Alumio writes them onto the matching Dynamics 365 CRM account on the schedule you set, with only what you nominate and nothing else. What can be written is whatever Dynamics 365 CRM exposes for it.
No. The routine this ends is the message a rep sends finance asking where an account stands, which finance answers by opening SAP and typing the number back. Because it is configuration, the person who owns the process decides what appears and can change that later. Where something has to be worked out rather than copied across, the Code Transformer covers that one step.
Usually SAP for anything finance bills against and the CRM for anything sales maintains, but the answer is the business's rather than ours. What matters is that it is written down and applied, because anything unowned is something somebody will edit in both places. Once ownership is set, the connection enforces it in one direction and refuses the other rather than letting the last edit win.
The damaging one is an account updated from the side that does not own it, because it looks like a correction. Alumio notes which side wrote last and what was held, so an overwrite that should not have happened is visible as a refusal rather than as a silent change. Each update is monitored live and logged, a refusal alerts with the reason, retries run where configured, and nothing is lost without a trace.
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