Exec: 0xe00086cc Backup

Before changing software configurations, ensure the physical layer is stable.

The "helpful feature" implied by this error is the between the Backup Exec server and the Virtual Machine Manager (VMware vCenter or Hyper-V host).

Right-click the problematic storage device and select .

The error code 0xe00086cc in Veritas Backup Exec typically indicates an Access Denied" 0xe00086cc backup exec

Backup Exec needs a security certificate to talk safely with other machines.

If the "Access Denied" error occurs during a backup attempt of a newly added server:

This error indicates that Backup Exec suddenly lost connectivity to its storage destination during a critical operation. Understanding why this happens and how to fix it is essential to keeping your disaster recovery strategy intact. What Causes Error 0xe00086cc? The error code 0xe00086cc in Veritas Backup Exec

If the error persists, gather logs for Veritas support:

When you see 0xe00086cc , the backup job usually starts successfully, runs for a few seconds or minutes, then crashes. In the job log, you’ll likely see the failure pointing to a specific Volume Shadow Copy Service (VSS) writer or a specific system state component (like the Registry or COM+ Class Database).

Re-enter credentials for the System Logon Account and restart services. Locked Account Unlock the BESA account in Active Directory. Permission Denied Ensure the account is a member of the Local Administrators group on the target server. VSS Service Error vssadmin list writers in CMD to check for failed application writers. To help narrow this down, are you seeing this during a backup job or while trying to install a remote agent Solved: Backup exec access is denied - Experts Exchange What Causes Error 0xe00086cc

Backup Exec includes a built‑in mechanism for testing credentials. Within the job properties, under the Source section, locate and use the test function to verify that Backup Exec can authenticate against the target resource. This test helps determine whether the issue is with the stored credentials or elsewhere.

Create a dedicated service account for backups, add it to BUILTIN\Administrators and BUILTIN\Backup Operators , then reassign it to the affected backup job.

Whenever the domain administrator password changes, update it immediately in the Backup Exec Logon Accounts management.

Common causes include:

When Backup Exec throws this error, the root cause is almost always infrastructure-related rather than a bug in the software itself. The most frequent culprits include: