Technote (troubleshooting) Problem(Abstract) This technote discusses albd contact errors that may appear in the ALBD log for IBM Rational ClearCase when port blocking is enabled on the router between the client and the server. Symptom The following errors may be seen in the ALBD log on a ClearCase client. Error: Unable to contact albd_server on host 'Server_Hostname' albd_contact call failed: RP..