We get the access denied error with MQSeries adapter in BizTalk

Summary:
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You  get the  following error on your  BizTalk servers.

"The adapter "MQSeries" raised an error message. Details "The adapter has encountered an 'Access Denied' error while attempting to contact the COM+ object on the MQSeries server. Ensure the BizTalk account is added to the Role on the MQSAgent COM+ application."

 

CAUSE
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The pre production xml was deployed at production but the MQ Name and MQ server name was not changed in the xml to point to MQ name and the MQ server to be used by the Production box.

Resolution:
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The issue was resolved by changing the MQ Name and MQ server Name on Production xml.