Applies to: Exchange Server 2013

Topic Last Modified: 2012-11-12

Microsoft Exchange Server 2013 Setup can’t continue because the attempt to install Active Directory Lightweight Directory Services (AD LDS) failed.

An older installation of AD LDS exists in the default location. Setup can’t perform a new AD LDS install in an existing AD LDS directory structure.

To resolve this issue, remove the existing AD LDS directory and then run Setup again.

For more information about AD LDS directory management, see Administering AD LDS Directory Partitions.

Having problems? Ask for help in the Exchange forums. Visit the forums at: Exchange Server, Exchange Online, or Exchange Online Protection

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