0xe00086cc Backup Exec -

This error code indicates that Backup Exec lost its connection to the target server or remote agent mid-operation. It can also mean the backup engine encountered an unexpected data structure it could not process.

In newer versions of Backup Exec, the "Trust" between the server and agent must be established. Right-click the server in the tab. Select Establish Trust .

You can configure Backup Exec to be more resilient against minor, temporary connectivity drops. Open the Backup Exec console and navigate to . 0xe00086cc backup exec

This error is one of the most common yet frustrating issues in Backup Exec environments, typically occurring during backups of Windows servers, Hyper-V hosts, or VMware virtual machines. In this comprehensive guide, we will dissect what error means, its primary causes (ranging from credential issues to VSS writer failures), and provide a step-by-step methodology to resolve it permanently.

: The Remote Agent (RAWS) on the target machine is older than the version running on the media server. This error code indicates that Backup Exec lost

: Windows Management Instrumentation (WMI) may be blocked by a firewall or disabled on the target server. File and Printer Sharing Remote Registry services are enabled and not blocked by a firewall. Environment Specifics (Workgroups)

service is set to "Automatic" and is currently "Started" on the remote server. Verify Firewall Rules: Right-click the server in the tab

A real‑world example:

Backup Exec generally requires the Remote Agent on target servers to match the Media Server’s version.

Implementing the following preventive measures will significantly reduce the likelihood of encountering this error:

In Backup Exec settings, try reducing the to see if stability improves. Advanced Resolution: Trust Relationships