Article ID: 2645912 - View products that this article applies to.
When you try to configure the Microsoft Dynamics CRM Client for Microsoft Office Outlook, you receive the following error message:
The LDAP server is unavailable.
The error in the configuration log is as follows:
Error connecting to URL: https://dev.crm.dynamics.com/XRMServices/2011/Discovery.svc Exception: System.DirectoryServices.AccountManagement.PrincipalServerDownException: The server could not be contacted. ---> System.DirectoryServices.Protocols.LdapException: The LDAP server is unavailable. at System.DirectoryServices.Protocols.LdapConnection.Connect() at System.DirectoryServices.Protocols.LdapConnection.SendRequestHelper(DirectoryRequest request, Int32& messageID) at System.DirectoryServices.Protocols.LdapConnection.SendRequest(DirectoryRequest request, TimeSpan requestTimeout) at System.DirectoryServices.Protocols.LdapConnection.SendRequest(DirectoryRequest request) at System.DirectoryServices.AccountManagement.PrincipalContext.ReadServerConfig(String serverName, ServerProperties& properties)
This issue may occur in one of the following scenarios in which the LDAP query will fail:
This problem is fixed in Hotfix 2645912 for Microsoft Dynamics CRM 2011.
Installation informationWindows Update Installation
Available December 13, 2011
To automatically install Hotfix 2645912 for Microsoft Dynamics CRM 2011, you can use Windows Update. You can also set Windows to automatically install recommended updates. This can address noncritical problems and help improve your computing experience. Optional updates are not downloaded or installed automatically.
To learn more about the kinds of updates that Microsoft publishes, visit the following Microsoft websites:
How to turn automatic updating on or off
How to change how Windows installs or notifies you about updates
To Install Hotfix 2645912 for Microsoft Dynamics CRM 2011 by using Windows Update, follow these steps:
Manual installationTo manually install Hotfix 2645912 for Microsoft Dynamics CRM 2011, follow these steps:
(http://vkbexternal.partners.extranet.microsoft.com/VKbWebService/ViewContent.aspx?PortalId=1&scid=kb;en-US;323166)How to download updates that include drivers and hotfixes from the Windows Update Catalog
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.