Unable to with install Lync Server, due to "domain not ready error." or Prepare Active Directory shows "Partial"

Symptoms =========   Get-CsAdDomain generates “The domain is not ready” after successful domain prep. Also Prepare Active Directory on Deployment Wizard shows “Partial” after a successful domain prep.   Cause ======   Check the following Trace statement, when you run OCS Logger “Powershell” and “Deployment” Components selected at Level->All, Flags->All   4361 TL_INFO(TF_COMPONENT) [1]0FC8.123C::02/22/2011-20:28:40.091.000022ce (Deployment,DeploymentContext.CreateCustomizedSession:deploymentenvironment.cs(411))(000000000283D742)Using…

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