ERROR service ‚?‘ unknown or service sapms unknown

Error:
When connecting to SAP, you get the following error:

ERROR service ‚?‘ unknown


Reason:
The problem is that there are entries missing in the services file in the folder 

C:\Windows\System32\drivers\etc\services

Warning! Service not executable. Don't add any file extension, like .txt to the services file.

Solution:
If you get the following error...

ERROR service sapms<SID> unknown 

...append the following line to the services file:

sapms<SID>  36<nn>/tcp 

nn is the instance number of the SAP system (e.g. 00 or 99).

Example:
For System ID (SID) ECC and instance number 12 the entry would look like this:

sapmsECC 3612/tcp

Note: When inserting this into this file, please ensure that the last entry is always terminated with a return. For some platforms, this may cause problems, as the last entry may not be recognized.

After editing the file, you may need to restart the Xtract service or the machine.

Creation date: 5/18/2022 12:27 AM      Updated: 7/15/2024 4:40 PM