- Veeam Support Knowledge Base
- Job to the Linux Repository Fails with "No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500"
Job to the Linux Repository Fails with "No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500"
| KB ID: | 2985 |
| Product: | Veeam Backup & Replication |
| Published: | 2019-08-12 |
| Last Modified: | 2022-06-21 |
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Challenge
When multiple tasks are attempting to use the same Linux repository simultaneously, some connections may fail with the error:
No connection could be made because the target machine actively refused it xx.xx.xx.xx:2500.
The port shown in the error is a data transmission port, and may be port in the 2500-3300 range.
Cause
Solution
To resolve this, you may consider increasing the limit on SSH connections. For most Linux servers, this is configured in the, etc/ssh/sshd_conf file. Consider the following values:
ClientAliveInterval 30 TCPKeepAlive yes ClientAliveCountMax 99999 MaxSessions 200 MaxStartups 100:30:200
After any sshd_conf values are changed, the SSHD service must be restarted to apply the changes. Keep in mind that restarting the SSHD service may interrupt existing SSH connections.
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