SAP Note 26755 - System cannot be started. Syslog FA6

Symptom:

System cannot be started. Error messages with 'gethostbyname'. Syslog FA6: Host ... is unknown. Which includes the individual name.

Cause and prerequisites

Different problems are conceivable.
1.
Name Server ("DNS") does not run.
2.
File etc/resolv.conf is read protected.

Solution
1.
Domain Name Servers are independent software packages which should be equipped with separate documentation.

2.
/etc/resolv.conf should belong to a UNIX system user and have the authorizations rw-r--r--.

Additional key words

DNS, Domain Name Server, YP, Yellow Pages