Ransomware attackers specifically target and attempt to destroy backup systems to increase the probability of payment. Hardening your system is critical. Please ensure you have reviewed your platform security using the Security Hardening Checklist
Cohesity

COHESITY Documentation

Explore our documentation to get started, discover products & new features, access troubleshooting guides, register sources, platforms support.

Products
Data Security Alliance
Visit Cohesity.com
Demos
Support
Blogs
Developers
Partner Portals
Cohesity Community
© 2026 Cohesity, Inc. All Rights Reserved.
Terms of Use|
Privacy Policy|
Legal|
  1. Home
  2. NetBackup™ Status Codes Reference Guide
  3. NetBackup status codes
  4. NetBackup status codes
  5. NetBackup status code: 143
NetBackup™ Status Codes Reference Guide

NetBackup status code: 143

Message: invalid command protocol

Explanation: A poorly formed request was made to the NetBackup Request Daemon (UNIX) or to the Request Manager service (Windows). This error can be due to the following: mismatched versions of the product, corrupted network communication, or to a non-NetBackup process sending data across the port for the daemon or service.

Recommended Action: Examine the NetBackup error logs to determine the system that was the source of the data. On that system, determine the process that initiated the request. If it was a NetBackup process, verify that the process or command is compatible with the version of software on the server.

Click here to view technical notes and other information on the Cohesity Technical Support website about this status code.

Feedback

Was this page helpful?
Previous

NetBackup status code: 142

Next

NetBackup status code: 144

Feedback

Was this page helpful?