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0xe00086cc Backup Exec !!top!!

High "packet loss" or "timeout" issues during heavy data transfer.

Many antivirus tools lock VSS files (e.g., ..System Volume Information\GUID ), causing .

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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

Heavy network traffic or poor bandwidth can drop the connection between the media server and the remote agent. High "packet loss" or "timeout" issues during heavy

Veritas Support article on troubleshooting Access Denied errors

If the BESA is locked or changed, Backup Exec will fail across all remote connections. This link or copies made by others cannot be deleted

If you are using a dedicated Backup Exec Service Account (BESA), ensure it isn't locked out in Active Directory. Veritas Technologies Active Directory Users and Computers Locate the account, right-click Properties > Account tab , and uncheck "Account is locked out". Veritas Technologies 3. Verify Local Security Policies

When Veritas Backup Exec runs a job, it connects to the target computer using a tool called the . If anything breaks this connection, the job fails. The most common causes include: Port Blocks : A firewall is blocking TCP Port 10000 .

Believe it or not, 0xe00086cc often points to a pending file rename operation. Windows updates or application installs sometimes mark files for deletion/rename on reboot. Backup Exec trips over this pending flag.

Disable TCP Chimney Offload by running: netsh int tcp set global chimney=disabled

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