| Event Id | 20023 |
| Source | ISA Server NNTP Filter |
| Description | The RPC filter cannot use the port %1 defined for UUID %2 because it is already in use. |
| Event Information | According To Microsoft: The port is already in use. Resolution: Another application is already bounded to the RPC port. Use netstat and tasklist to find the application. Resolve the multiple bind issue by configuring the application to use a different port. |
| Reference Links | Microsoft product: Internet Security and Acceleration Server Version: 4.0.3443.594 Event Source: ISA Server NNTP Filter Event ID: 20023 |
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