Try to start the instance in single-user mode Perhaps you will find the problem isn't with the master database at all.Ģ. Don't do all of these (some of them are different techniques to accomplish the same purpose), but are worth considering:īrowse directly to the folder containing the SQL error logs and load the most recent ERRORLOG into notepad to get more detail on why the SQL instance will not start. Need help with your database ? Do you need a disaster recovery, Anyon Consulting can help! Contact us today to learn more about our Database Design and Development Service.Here are a few avenues I would investigate. WHERE p.type 'M' – to exclude component logins SELECT * FROM master_įROM master_ p - replace database name hereĪND r.depsubid = 0 - SRC_LOGIN_CREDENTIAL Once we connected in via DAC, we run below queries and retrieve logins information’s from the restored copy of a master database. If you need help on how to connect to DAC, please visit my previous blog “ How to connect to DAC (Dedicated Administrator Connection) using SSMS ”. Select * from master_principalsīut unfortunately even though after restoring the master database under a new name and used that in all above queries, they returned the only current server configurations.Īnd unfortunately below query gave us an error message because the views referred in the query as not accessible with normal connection!! To access them, we needed to use a DAC connection.

Sp_helptext 'sys.server_principals' select * from master_ We attached the old master databases with a different name “master_recover”, which you might find usefully to review my detailed blog on “ How to Restore System Databases with Different Name in SQL Server ” and be able to get the information needed from below script: sp_helptext 'master_'

Please note that you are not going to be able to retrieve their passwords.User databases have been restored easily but we also needed to retrieve logins details that have been there before the crash.

But luckily, we were able to recover most of everything from our scheduled full backups.

Website Content Management Systems (CMS)Īfter a big disastrous crash on one of our customers SQL Server 2016, the server could not be brought online.Pure Html5/react.js/node.js Web Development.Business Intelligence Infrastructure Implementation.

Sql server master database