| Event Id | 20066 |
| Source | ISA Server H.323 Filter |
| Description | Registration with the H.323 Gatekeeper at address %1 failed. This will prevent inbound calls. |
| Event Information | According To Microsoft: Communication with the Gatekeeper could not be established. Resolution: Check that the Gatekeeper details are configured correctly and that there is network connectivity. For details about configuring Gatekeeper details, see topic "To configure H.323 filter" in ISA Server Help. |
| Reference Links | Microsoft product: Internet Security and Acceleration Server Version: 4.0.3443.594 Event Source: ISA Server H.323 Filter Event ID: 20066 |
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