You connect via PuTTY or a hard serial console successfully, but ASA fails. Fix: Manually kill stuck sessions.
ASA connects successfully once, but if you close and reopen the session immediately, you get the error. Fix: Restart the Avaya Site Administration Connection Manager service in Windows.
– Connect directly to the craft (maintenance) port (usually serial port 1) which often bypasses the standard admin port pool. You connect via PuTTY or a hard serial
: If an "interchange" occurred and the shared Ethernet IP is present on both the standby and active servers, the connection may fail. Using the direct IP of the active server and rebooting the standby server can clear this. Community Insights
In the emulation screen, type status logins to see all active sessions. Current logins with an asterisk (*) are active. Using the direct IP of the active server
If you have access to the Linux shell (Bash), you can identify and kill the stuck processes using standard Linux commands.
Avaya PBXs are tanks—they run for years without reboots. But that strength becomes a weakness when forgotten terminal sessions pile up, blocking you from the very tool you need to manage them. depending on your licensing.
: Older Definity systems are limited to 12 parallel logins, while newer Communication Manager (CM) versions typically allow 15 to 20 concurrent users.
The "Avaya Site Administration (ASA) communications error: No ports available" typically occurs when the maximum number of simultaneous administrative logins has been reached or when previous sessions have not closed properly, leaving "stuck" processes on the Avaya Communication Manager (CM) . Common Causes
When you open ASA and click "Connect," the software does not directly "log in" to the PBX. Instead, it requests a terminal resource from the switch. In Avaya CM terms, this is a (System Administration Terminal). The PBX allocates a specific number of these sessions—usually between 6 and 250, depending on your licensing.