ESP Cannot Resolve the Base URL of Identity Server

When ESP cannot resolve the DNS name of Identity Server, the metadata cannot be loaded and a hostname error is logged. In the following entries, ESP cannot resolve the idpcluster.lab.novell.com name of Identity Server.

<amLogEntry> 2009-08-06T16:24:56Z INFO NIDS Application: AM#500105024:
AMDEVICEID#esp-09C720981EEE4EB4: AMAUTHID#YfdEmqCT2ZutwybD1eYSpfph8g5a5aMl6MGryq1hIqc=: ESP is requesting metadata from IDP https://
idpcluster.lab.novell.com/nidp/idff/metadata </amLogEntry>

<amLogEntry> 2009-08-06T16:24:56Z SEVERE NIDS IDFF: AM#100106001:
AMDEVICEID#esp-09C720981EEE4EB4: Unable to load metadata for Embedded
Service Provider: https://idpcluster.lab.novell.com/nidp/idff/
metadata, error: AM#300101046: AMDEVICEID#esp-09C720981EEE4EB4::   Attempted to connect to a url with an unresolvable host name 
</amLogEntry>

<amLogEntry> 2009-08-06T16:24:56Z INFO NIDS Application: AM#500105039:
AMDEVICEID#esp-09C720981EEE4EB4: AMAUTHID#YfdEmqCT2ZutwybD1eYSpfph8g5a5aMl6MGryq1hIqc=: Error on session id 2CA1168DF7343A42C7879E707C51A03C,
error 100101044-esp-09C720981EEE4EB4, Unable to authenticate.
AM#100101044: AMDEVICEID#esp-09C720981EEE4EB4:: Embedded Provider
failed to load Identity Provider metadata </amLogEntry>