2478258 - Database Refresh/system copy fails with "Server Principal already exists".

During the execution of a Database Refresh or System Copy, SWPM fails with the following error message: "Server Principal 'DOMAIN\sidadm' already exists".

You can find more details in the sapinst_dev.log file:

ERROR 2017-05-23 16:32:20.928 (DOMAIN\sapinstaller) [D:/depot/bas/749_REL/bc_749_REL/src/ins/SAPINST/impl/src/dbmodmss/iaxmbcom.cpp:118] id=dbmodmssql.odbcdll.sql errno=MDB-05053 CMssLogger::logMessage
Errors when executing sql command: [Microsoft][ODBC SQL Server Driver]Associated statement is not prepared
[Microsoft][ODBC SQL Server Driver][SQL Server]The server principal 'DOMAIN\sidadm' already exists.
<p> SOLUTION: If this message is displayed as a warning, you can ignore it. If this is an error, contact SAP support. </p>

• SAP systems based on SAP NetWeaver;
• Microsoft SQL Server 2008 and higher;

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