In this case you are advised to contact your system administrator or ISP to further investigate the issue. Note that even if outbound connections on TCP ports 5655 and 443 are allowed on the Host machine, such connections may still be blocked on your corporate network (perimeter) or ISP level depending on their security policy. Make sure that the Host can establish outbound connections on these ports. When used with our public service the ports used are TCP 5655 and 443. The Internet-ID connection requires some outbound ports to be open. Please, contact your system administrator. If you receive 'Request timed out' as a response, the ID server cannot be reached from the Host location.If the ping command and DNS resolution are successful you should see the result as in the image below:.(and always really random when it freaked out) Repairing the database usually works. Type ipconfig /flushdns and click OK (or hit Enter ): A command box will flash on the screen for a split second and the DNS cache is cleared. It used to be a thing in Outlook 2011 for Mac that if the mailbox was too big, or if there were too many folders it would just freak out. If you use our public Internet-ID service make sure that the primary server at id. can be accessed from the Host PC and the IP address of the server can be resolved successfully. Clear DNS cache on the computer where the Host is installed (the steps below apply to Windows 10): Press Win + R to open the Run dialog. Wait 10-20 seconds until the Host restarts and establishes a connection to the intermediary server. Right click on the Host icon in the tray area and select Restart Host.A command box will flash on the screen for a split second and the DNS cache is cleared.Type ipconfig /flushdns and click OK (or hit Enter):.Solution 1Ĭlear DNS cache on the computer where the Host is installed (the steps below apply to Windows 10):

To resolve the issue, please try the solutions below in the order they are listed.

The intermediary server's address and/or outbound port is blocked in the firewall.

the IP address of the intermediary server cannot be resolved from its DNS name. This error might mean that the remote Host is unavailable due to one of these reasons: This error may also be returned for protocol and service queries, and means that the specified name could not be found in the relevant database.

The name is not an official host name or alias, or it cannot be found in the database(s) being queried. As quoted from Windows Sockets Error Codes:

Outlook for mac error code -1001