Connection retry logic handles transient cloud database faults through bounded backoff, safe transaction retries, and driver connection resiliency.
Counting Current Connections by Login, Host and Application
Try counting current connections by login, host, application and database, then inspect sleeping transactions and save a baseline.
Connecting to SQL Server From Home Without Exposing Port 1433
Keep port 1433 off the public internet by checking external reachability and using VPN, a jump host, Bastion, and trusted encryption.
Connection Pooling Problems: Timeouts, Leaks and Max Pool Size
Diagnose connection pooling timeouts with session counts, sleeping activity, open transactions, and client settings that divide pools.
Moving Databases to a New Server Behind a SQL Server Alias
Move databases behind a SQL Server alias or DNS CNAME by planning name redirection, backup and restore, Kerberos SPNs, and connection tests.
MultiSubnetFailover: Why Clients Time Out After an AG Failover
Diagnose an AG failover timeout with listener DNS, MultiSubnetFailover, RegisterAllProvidersIP, HostRecordTTL, and client-driver checks.
Diagnosing Connection Pool Exhaustion From the SQL Server Side
Diagnose connection pool exhaustion by grouping SQL Server sessions, finding sleeping open transactions, and reading their last command.