Solution : https://service.sap.com/sap/support/notes/614036 (SAP Service marketplace login required)
Key words :
\hostsauch mit voll qualifizierter domain angegeben ist, credential retrieval failedein folgefehler kann sein, nt lm security support provider, security service provider interface, terms tns-12631 tns-12638 12631 12638 reason, kerberos key distribution center, username retrieval failed ora-12638, oracle cluster resource switch, domain controller experiences downtime, nt lan manager
Related Notes :
| 620540 | Authentication Troubleshooting Guide |
| 608280 | ora-12638 when starting svrmgrl |
| 595874 | Failure of domain controller causes Oracle failover |
| 480266 | Problems with the SYSDBA/SYSOPER/INTERNAL connect |
| 425828 | ORA-12638 credential retrieval failed (Windows 2000) |
| 370278 | ORA-3113 when starting SQLPLUS or SVRMGRL |