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CUCM SFTP connection problems

We're having some problems with our backups over SFTP and also when trying to upload files to servers. We have 1 CUCM Publisher with 3 subscribers, 2 Unity Connection servers and 2 IM and Prescence servers. Currently running 10.5.2.11900-3

 

For the most part it is working fine however one of the CUCM subscribers and one of the IM and Presence servers fails on backups and cannot connect to the sftp server for file uploads.

 

When trying to run the backup we get the error:


ERROR: Unable to transfer the tar file over SFTP channel as currently configured SFTP server does not support output stream, Backup Completed...


CUCM error1.png

 

When trying to upload files we get the issue below:

 

CUCM error2.pngAs I say this is only affecting 2 of the servers. All of the others can connect absolutely fine. I am able to ping the sftp server from all servers and I have rebooted them both.

 

We are using SolarWinds sftp server.

 

Any ideas what could be causing this?

3 REPLIES 3
Rising star

Re: CUCM SFTP connection problems

Hi,

Have you tried using other SFTP servers such as freeFTPd or fileZilla to narrow down the issue?

 

 

Please rate helpful posts and if applicable mark "Accept as a Solution".
Thanks, Vaijanath S.
Hall of Fame Cisco Employee

Re: CUCM SFTP connection problems

Are they all in the same network?

Have you made sure there's no firewall or ACL blocking communication?

HTH

java

if this helps, please rate

Re: CUCM SFTP connection problems

That SFTP server is not supported. You really shouldn’t be relying on that for a production system. Supported options are OpenSSH (ie any Linux box), Cygwin, or Titan FTP.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cust_contact/contact_center/intelligence_suite/intelligence_suite_1105/maintain_and_operate/guide/CUIC_BK_A573F861_00_administration-console-user-guide-for/CUIC_BK_A573F861_00_administration-console...
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