Fixing “Microsoft.ACE.OLEDB.16.0 provider is not registered” for Access/SQL hybrids.

The error “The ‘Microsoft.ACE.OLEDB.16.0’ provider is not registered on the local machine” appears when Excel, Power Query, or an Access/SQL hybrid model attempts to…

Troubleshooting VPN-related connection drops during Power Query refreshes.

VPN-related connection drops during Power Query refreshes occur when large tabular datasets overwhelm the virtual private network tunnel, causing Excel to freeze, time out,…

Fixing “The driver does not support the version of TDS that the server is using.”

The error “The driver does not support the version of TDS that the server is using” occurs when your database driver and SQL Server…

How to resolve “Encryption mismatch” between Excel and legacy SQL Server versions.

The error “Encryption mismatch” (frequently appearing as “A connection was successfully established with the server, but then an error occurred during the pre-login handshake”…

Fixing “TCP Provider: No connection could be made because the target machine actively refused it.”

The error “TCP Provider: No connection could be made because the target machine actively refused it” (Windows Socket Error 10061) occurs when Excel attempts…