Tuesday, 10 November 2015

Exchange 2013 install - the LDAP server is unavailable

If you are seeing this error, check that you meet the Active Directory requirements and go through the checks below:
  1. Check that your Exchange server is joined to the domain
  2. Check that there are no firewalls between the Exchange server and the domain controllers. This is not supported.
  3. Check that your Exchange server can route traffic to the domain controllers
  4. Check DNS resolution. You should be able to ping domain.local and have it respond with the IP of a domain controller. Also, use nslookup to confirm that you can retrieve the IPs of your domain controllers.
  5. Check that you have a domain controller and global catalog in the site that you are installing Exchange
  6. Check that you are running Exchange setup as a domain user
  7. Check that you are running Exchange setup as a user which is a member of Schema Admins and Enterprise Admins
  8. Check that the Schema master FSMO role is in the same AD site as the Exchange server if you are upgrading or installing a new version of Exchange
  9. Check that you meet the Exchange requirements for network and directory servers here: https://technet.microsoft.com/en-us/library/aa996719(v=exchg.150).aspx

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