After doing a system copy/change hostname/change instance number, you find that your old / inactive SAP instance still appear in ST06 as depicted below and you want to remove it permanently.
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| Unused / inactive SAP instance |
1. You can easily remove it from transaction RZ21 -> Topology -> Display Overview.
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| Display Overview – RZ21 |
2. Select unused / inactive SAP instance and press delete button.
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| Delete unused / inactive SAP instance |
3. Now you don’t find unused / inactive SAP instance anymore from ST06.
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| Inactive SAP instance is removed |
4. Check also from SM61 and make sure no inactive SAP instance appears.
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| Remove inactive SAP instance |