Microsoft Application Center

AppMetrics for Transactions
Measures, monitors the health of COM+ applications with alerting capabilities, also provides templates to pre-define the required set of production metrics and then captures the data to assess application Quality of Service levels. By Xtremesoft, Inc.
http://www.xtremesoft.com/solutions/transactions.htm

Microsoft Application Center
Official product site on Application Center. Provides product information and documentation, technical information, downloads, support and training information. By Microsoft Corporation.
http://www.microsoft.com/applicationcenter/

Microsoft TechNet Application Center 2000 Technology Center
Provides question-and-answer forums about Application Center, technical how-to information about deployment, maintenance, and support of Application Center, and troubleshooting and daily administration tips. By Microsoft Corporation.
http://www.microsoft.com/technet/prodtechnol/acs/