2665434 - In ILMSTOREADM error "409: An object with this name already exists" occurs while creating ILM Store

While creating ILM Store in transaction ILMSTOREADM, following error occurs:

"409: An object with this name already exists (e.g. resource, collection or property index)

CX_XADK_DAS_CLIENT

DA Service Message: _DEFINE_ARCHIVE_STORES: Error While Testing Store ...;
the Root Collection of the Storage System Is Not Empty"

„Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental."

• SAP NetWeaver Release independent
• ILM (Information Lifecycle Manager)
• Transaction ILMSTOREADM

SM59, HTTP Connections to External Server, path prefix, ILMSTOREADM, SRS, /sap/bc/ilm, /sap/bc/ilm/, 598: Input or output error, @5B\QInformation@ URI: /sap/bc/, SLG1, 400 Bad request, DA Service Message: _ASSIGN_ARCHIVE_STORES , KBA , BC-ILM-STO , ILM Store , How To