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Event ID: 20089 Source: RemoteAccess

Source
Level
Description
The Remote Access Server's attempt to callback user <domain>\<user account> port <port name> at <telephone number> failed because of the following error: There was no answer.
Comments
 
This problem occurs because the remote access server truncates the last digit from the callback telephone number when it performs a callback to a remote access client computer. See ME922823 for a hotfix applicable to Microsoft Windows 2000.

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