SYMPTOM:
Users notice that duplicate email are being delivered from a clustered Strategy Narrowcast system. This issue occurs when the following two conditions exist:
Note that in this case, both Distribution Managers (PRIMDM01, SECDM02) have kicked off the same service (0C06EA30C52745F7BE12F9B709F7C99B) at about the same time (2004-09-10 07:33:18.704, 2004-09-10 07:33:24.828); thus, both are functioning as Primary Distribution Managers and are delivering the same content twice.
CAUSE:
This issue occurs because both Distribution Managers are acting as a Primary Distribution Manager. The only time when two Primary Distribution Managers can exist simultaneously is when the Primary and Secondary Distribution Managers lose communication with each other and the following registry key in the Secondary Distribution Manager has a value of 'localhost:'
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\MicroStrategy\Strategy Broadcast Server\7.0\DistributionManager\HostListForNetworkConnectionCheck
ACTION:
Perform the following steps to ensure that the Secondary Distribution Manager relinquishes primary status once the original Distribution Manager has been detected by the system:
