Error: "COMException (0x8007054B): The specified domain either does not exist or could not be con (4338408)

The following error can be observed in the ArchiveManager Event Log when trying to log into the Retention Policy Editor

Source: Retention Server

BusinessLayer.Login: [4187136875-1241409107-0-0x0] Exception has been caught

Exception Source: System.DirectoryServices
Exception Type: System.Runtime.InteropServices.COMException
Exception Message: The specified domain either does not exist or could not be contacted.

Exception Target Site: Bind
Date and Time: 30/06/2011 12:23:22
Machine Name: AMSERVER
IP Address: 10.90.0.4
Current User: W2K3-QAM-S\qam_service
CLR Version: 2.0.50727.3603
Platform (version): Win32NT (5.2.3790.131072)
Application Domain: /LM/W3SVC/2/Root/RetentionInstance-1-129539065790876764
Assembly Codebase: file:///C:/Program Files/Quest Software/ArchiveManager/RetentionWebService/bin/AfterMail Common.DLL
Assembly Fullname: AfterMail Common, Version=4.4.2.165, Culture=neutral, PublicKeyToken=null
Assembly Version: 4.4.2.165
COMException HRESULT: -2147023541

---- Stack Trace ----
at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail)
at System.DirectoryServices.DirectoryEntry.Bind()
at System.DirectoryServices.DirectoryEntry.get_NativeObject()
at AfterMail.BusinessLayer.Login.LDAPAuthenticate(String user, String password, LoginDomain loginDomain)

Additionally the following will be logged in the C:\LM\W3SVC log file:

2011-06-30 12:23:18,228 [5] INFO AfterMail.Log.DataModelServer.Authentication - Performing an Database login as DOMAIN\USERNAME
2011-06-30 12:23:19,369 [5] DEBUG AfterMail.Log.BusinessLayer.Login - BL.Login.Authenticate Domain: DOMAIN Context: UserName USERNAME
2011-06-30 12:23:22,541 [5] ERROR AfterMail.Log.BusinessLayer.Login - [4187136875-1241409107-0-0x0] Exception has been caught

System.Runtime.InteropSe