A list of known issues with using Acronis Access with Good Dynamics Data Leakage protection.


When running Acronis Cyber Files in single port configuration mode, the maximum number of characters in a folder path in the Web Client is limited. By adding/changing a registry setting, you can increase this limit.

There is an occuring message in the Acronis Access Tomcat logs stating: "Caused by: org.apache.catalina.LifecycleException: The connector cannot start since the specified port value of [-1] is invalid". This message can safely be ignored and this error has no effect on the performance of the product whatsoever. One specific port is set to -1 on purpose, as a security feature, to prevent other service or software from shutting down Tomcat.


After installing or upgrading to Acronis Cyber Files 7.2.x and newer, LibreOffice will also be installed. If you uninstall LibreOffice, the Acronis Access Tomcat service will become unreachable at the next startup and you will not be able to open the web interface.



Web Previewing of files is a new feature introduced in version 7.2 of Acronis Cyber Files which requires LibreOffice to render the previews. This means that LibreOffice will always be installed with recent versions of Acronis Cyber Files.

A list of all supported file types for the mobile clients.

Most scanners cannot accurately find the version of Apache Tomcat and may detect and display vulnerability issues that only apply to older versions of Tomcat.

Some videos can be played back while others of the same type cannot be played.

This article will help you configure your Acronis Access Advanced desktop client to work through a proxy server.

With the "telnet" command you can test if a port is open


You have created a managed location with a network share as backend.

Credentials for this network share have changed, or you just want to switch to another user.


To change credentials for the managed location on the network share, delete the location and add it again with new credentials:


You get errors when you use Acronis software to connect to  a mailbox or public folder via the Exchange Web Services (EWS) protocol.


To verify if an error is related to Acronis software or to the environment, you can use a tool called EWSEditor to connect to the mailbox or public folder that causes errors and check if the error appears. This can be very useful in scenarios when:


Backup to NAS or a different activity(replication, validation) fails with:

 Windows error: (0x80070544) The validation information class requested was invalid

Within troubleshooting of issues related to Acronis Cyber Infrastructure an Acronis support representative might request you to provide us with remote access to the storage.

In this case, we will ask you to whitelist Acronis IP addresses to allow remote access for SSH/RDP/VPN.

Unless specified otherwise by support representative, whitelist these IP addresses:


Process Monitor is a special Windows Sysinternals monitoring utility. It is used to diagnose certain software and compatibility issues.

Acronis Cyber Files (formerly Files Advanced) has a command line tool which collects information about your configuration. This tool provides an easy way to give our support team all the necessary information about your setup in case you are experiencing issues. When running the tool on a machine with a single Gateway Server or a single Cyber Files Server installed, only the information about the installed component will be collected.


Acronis Cloud Backup needs to have access to the following hostnames and TCP ports: