# Windows Service RFC Destination

The RFC destination has to be created so that the windows service can register with SAP and provide direct two-way communications.

Navigate to transaction SM59. Select to highlight the ‘TCP/IP connections’ option and select Create.

<div align="left"><figure><img src="/files/w2sFfCrkfIsosyowei2l" alt=""><figcaption></figcaption></figure></div>

1. Enter the name for the RFC Destination, and enter descriptions 1 and 2.\
   \
   :information\_source: Description 1 will be the value presented for selection when selecting RFC Destination when accessing the CodingControl™ cockpit, Description 2 is not referenced and will only be for information.<br>
2. Under the ‘Technical Settings’ tab select the ‘Registered Server Program’ radio button and enter the ‘Program ID’ value matching the Description 1 value from the above stage.\
   \
   &#x20;:information\_source: RFC Destination and Program ID must match the case as well.<br>
3. Select the Unicode tab and Unicode radio button. All other tabs and values do not need to be amended.
4. Select ‘Enter’ then ‘Save’ to confirm all values.

<figure><img src="/files/Nbi2q7wROENzHMWDCOO7" alt=""><figcaption></figcaption></figure>


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