Oracle Error Message
CLSGN-00154: Invalid subdomain: “string”
Reason for the Error
The name of the subdomain does not conform to Internet standards. It must meet the following requirments:
1. Only alphanumeric characters, periods are hyphens are allowed;
2. It must start and end with an alphanumeric character;
3. Consecutive periods are not allowed. In addition, the subdomain must not end with with “.local” as it is reserved for multicast DNS.
Solution
Specify a subdomain in the correct format.