Problem with PDF web preview

Hello,

Ive installed multiserver carbonio 24.7.1 over Rocky 8.10, the roles are:

Carbonio Ldap
Carbonio Mailbox
Carbonio Proye/Mta

But from webmail the PDF preview give error "Failed to load document preview." and the error log (mailbox role):

2024-12-31 11:55:09,381 WARN [qtp691779749-130] [ip=10.94.x.x;oip=10.13.x.x;port=46756;] HttpChannel - handleException /service/preview/pdf/11751/2/ org.apache.http.conn.HttpHostConnectException: Connect to 127.78.0.7:20001 [/127.78.0.7] failed: Connection refused
at com.zextras.carbonio.preview.PreviewClient.postPreviewOfPdf(PreviewClient.java:231) ~[?:?]

Try connect to port/ip 127.78.0.7:20001 but when check the internal ip the port running over 127.78.0.6 not 127.78.0.7 .

[root@zmailbox-01 zextras]# netstat -tlpn |grep 127.78.0
tcp        0      0 127.78.0.6:10000        0.0.0.0:*               LISTEN      3417619/python3.8
tcp        0      0 127.78.0.3:10000        0.0.0.0:*               LISTEN      1055/carbonio-stora
tcp        0      0 127.78.0.6:20000        0.0.0.0:*               LISTEN      3417621/envoy
tcp        0      0 127.78.0.6:20001        0.0.0.0:*               LISTEN      3417621/envoy

¿how to change/reconfigure correct service preview?

Thanks