To resolve #Microsoft SQL server error 926:
Refresh and reconnect the connection. Restart the service SQL Server (MSSQLSERVER) Restart the SQL Server Management Studio (SSMS) Restart your computer.
More information >> https://ibmimedia.com/blog/135/solve-sql-error-926
dbcc checkdb
database 'msdb cannot be opened it has been marked suspect by recovery
error 926 sql server 2008 r2
#sql exception 926
sql #error 945
