There are two ways you can rebuild your master database. If you don't have a viable master database you need to create one first, if your master database is there and you just want to recover from backup use scenario one. Scenario 2: Rebuilding then restoring the SQL Server master database from HERE to help you prepare for a master database rebuild. That's it, now remove the -m from the SQL Server service startup options and restart the SQL server service in multi-user mode! Detailed master database restore instructions are on MSDN Enter -m in the top box and click add, then apply, then restart SQL Server. SQL Server Configuration Manager, right-click on the SQL Server service, select properties, then the startup parameters tab. In the case where you have a "good" master database to start from you have to start in Restoring master is tricky because it contains the information about all the other databases in the instance and is required for startup. Scenario 1: Restoring an existing SQL Server master database from backup Let's not add insult to injury by whacking stuff that is still good. If your master database is all that's broken STOP NOW and make copies of your msdb and model database files! Some of the instructions below will overwrite them destructively.
Don't get out your resume just yet, we can get your instance back up and running, but there will be a lot of work to do after that to return to some semblance of what it once was.
First, you have a master database that is viable and you have a backup, all you want to do is a little.You may be restoring to a brand new server or creating a clone of your instance. Your master database may have been damaged due to hardware or software failure and rendered unusable. This may be the easiest scenario because you still have a master database to start from. Linked server or some other system object. You may have removed something critical and you want it back- a There are several reasons you may need to recover your master database.
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