| Event Id | 20108 |
| Source | RemoteAccess |
| Description | Unable to open the port <com port> for use. The specified port is already open. |
| Event Information | According to Microsoft: "This problem occurs when the port that the demand dial interface is configured to use is already in use by another application or service. To resolve the problem, close or disable the application or service that has control of the port that your demand dial interface is configured to use." |
| Reference Links | Event ID 20105 or 20108 on RRAS Server That Will Not Redial |
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