SQL Server logged: Failed to verify the Authenticode signature of sqlservr.exe. Here is what the message means and why it can point to malware on the machine.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
SQL SERVER – Scoped Firewall Rules Instead of Disabling the Firewall
A firewall rule should permit the required SQL Server or management connection narrowly. My original automation case needed remote access.
Generate a Random Password in SQL Server Using T-SQL
To generate a random password in T-SQL, draw bytes from CRYPT_GEN_RANDOM, pick characters from a safe pool and shuffle them. This post builds one procedure that guarantees upper case, lower case, a digit and a symbol, skips look-alike characters, and proves it on 1,000 passwords. It also explains why ABS(CHECKSUM(NEWID())) can fail with an overflow error.
SQL SERVER – Database Mirroring Login Attempt Failed With Error: ‘Connection Handshake Failed. An OS Call Failed: (80090350)
Connection handshake failed with 0x80090350 on an availability group replica. What the code means, why it says mirroring, and what to check.
SQL SERVER – How to Turn On / Enable Instant File Initialization?
To Enable Instant File Initialization for data files, I check the Windows service identity and volume-maintenance privilege. Eligibility still matters.
SQL SERVER – T-SQL Script: How to Search for Multiple Values in ERRORLOG?
Need to find corruption or other errors in the ERRORLOG? Here is a T-SQL script I use to search for multiple values in the SQL Server ERRORLOG at once.
How to Check Status of Instant File Initialization? – Interview Question of the Week #184
Here are two quick ways to check status of Instant File Initialization: read the error log, or query sys.dm_server_services on SQL Server 2016 and later.
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