Solution : https://service.sap.com/sap/support/notes/1546785 (SAP Service marketplace login required)
Key words :
error text connection test timeout expired, call ta rz21 select method release, change mode - press save - message, component sap_basis ccmsping logon check, - select method definition - search, rfc error message, data collector method, mte logon-check, display overview search, instance availability nodes
Related Notes :
| 1427551 | Sporadic incorrect alerts for CCMSPING logon check |