SQL Server Always On Errors FIXED | Real-Time Troubleshooting Guide | SQL DBA Class 34 скачать в хорошем качестве

SQL Server Always On Errors FIXED | Real-Time Troubleshooting Guide | SQL DBA Class 34

In this SQL DBA Class 34 session, we cover the MOST COMMON and MOST DANGEROUS SQL Server Always On Availability Group errors with step-by-step real-time troubleshooting. 🔥 Major Always On Errors Covered: • Replica Not Synchronizing / Not Healthy • Database stuck in "Resolving" • Failover failing due to cluster health • Primary/Secondary endpoint communication failure • Error 35250 – Connection to replica failed • Error 35206 – Synchronizing state error • Error 1480 – Database role transition error • Listener not responding / login timeout • AG resource failing in WSFC • Secondary database not joining AG • Suspended data movement issues • Failure after Windows patching/reboot • DNS/Listener port binding failures 🛠 Real-Time Fixes: • Fix endpoint AUTHENTICATION and PORT issues • Restarting AG resources cleanly • Checking AG health using DMVs • Re-seeding a failed secondary replica • Repairing WSFC cluster node communication • Fixing quorum-related AG failures • Resolving latency issues in async mode • Bringing replica back into synchronous state 🔧 Hands-On Demo: • Error 35250 fix using ALTER ENDPOINT • Checking XEvent logs for AG failures • Repairing database that refuses to join AG • Listener testing with SQLCMD & ports validation 📌 This is one of the MOST IMPORTANT CLASSES for real-time SQL DBAs handling HA/DR setups. 👍 LIKE & SUBSCRIBE for more SQL Server real-time troubleshooting.