Many employees face issues while activating their UAN or accessing EPFO services, especially problems like OTP not received, “UAN already active” messages, or unexpected technical errors. This troubleshooting guide explains the most common UAN activation problems in 2026 and their real causes. It also provides practical solutions, from fixing Aadhaar linkage issues to handling server congestion, so you can quickly resolve the problem and complete your EPFO access without conf