Networking Tips Tricks

When opening Exchange Manangemnt Console you get the following error: An error caused a change in the current set of domain controllers. It was running the command ‘Get-OrganizationConfig’. In the application log you get the following error entries: Event ID: 4 Source: MSExchange Configuration Cmdlet – Remote Mamagment General: Task Get-ExchangeServer writing error when processing record of index 0. Error: Microsoft.Exchange.Data.Directory.SuitabilityDirectoryException: An Active Directory error 0x51 occurred when trying to check the suitability of server ‘dc.mydomain.com’. Error: ‘Active directory response: The LDAP server is unavailable.’ —>

Sometimes an organization security policies will demand to prevent email users from sending messages to certain external domain names. This can be achieved with Exchange Server 2010 using a Transport Rule. Procedure: Open the Exchange Management Console and navigate to Organization Config/Hub Transport. Start a New Transport Rule. Give an appropriate name and description to the rule.