Restore SQL Master Database From A File
Jul 23, 2005
Hello,
I need to restore the Master DB in my SQL 2k server (with sp3). The
problem is that i don't have SQL backups of this file I only have
general backup of the entire c: drive i made using NTBackup. So i
tried all I know and succesfully run the rebuildm utility. Now when I
try to restore it from the general backup (not SQL backup) using
"restore database master from gen_backup" i got error: "The file on
device 'gen_backup' is not a valid Microsoft Tape Format backup set."
RESTORE DATABASE is terminating abnormally.
Any ideas how I can restore it?
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Oct 23, 2000
How do I set the Master database to "single user mode"?
It is grayed out when I go to the property.
Thanks
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Oct 20, 1999
I would like to restore the master database from a current backup tape but I got the error “Load database must be used in single user mode if trying to restore the Master database”. I tried to change the master database option but the option ‘single user’ cannot be changed for the ‘master’ database. Then I tried to start the SQL Server in Single-User Mode but I was not able to restore the master database from a tape.
Would anybody help me on how to restore the Master database like any other database?
Many thanks
Stella Liu
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Jan 18, 1999
Hello All,
I am going through the procedure of restoring the master database as described in the Microsoft SQL 6.5 Survival Guide by SAMS. I deleted the master.dat file from c:mssqldatamaster.dat. I went into setup and choose rebuild master database. After rebuilding the master database, I went into setup again to add the "-m" server option to start server in single user mode so I can load the master database from backup. Then I went into Enterprise Manager to start the server. The server started, but when I try to double click on the server. It gave me the following
" A connection could not be established to [server name] - SQL server login failed."
I try reregistering the server, but gave me the same error. The SQL server is using standard security.
Does anybody know what I did wrong?
Pauli
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Jan 8, 2002
Hallo
I do my backup using BACKUP database <myDB> TO DISK='D:BACKUPmyDB.bak'
I do this for ALL my databases every day.
Another product writes every day all the files on the server to tape EXCEPT the online databases because these files are open by SQL server 2000.
Now I restore the files of the tape to the server
This works well but I haven't got the online databases !!
And because the master database isn't available, SQL server wont start ...
BUT I have the backup of the master database 'D:BACKUPMaster_data.bak'
How can I use this master backup to do a restore even when SQL server can't start ?
Or must I do the bakup of the master database in another way ?
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Apr 15, 2008
ALL,
When I attempt to restore a master database I am having some issues. I am using SQL Server 2000. I have set the start up option with -c -m to set the database in single user mode.
When I run the restore from enterprise manager I am get an popup window that is titled "SQL-DMo(odbc SQLSTATE:HY000)" with not message and then the database conection is lost. Thus the master datbase is appears to it was not resotred. As when I close enterprise manager and then restart the MSSQLSERVER service the database is in the same state.
Please advise on how i can get the Database restored.
Thanks
Chris
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Jul 11, 2001
Hi everyone,
HELP!
I was wondering if someone could help me. I need to re-install the SQL Server (due to a registry corruption). What I plan to do is to:
- Detach all databases (including master, pubs, and tempdb)
- Copy databases to a different folder
- Uninstall SQL Server
- Reinstall SQL Server
- Copy the databases back
- Reattach all databases
Will that preserver all the security? (e.g. syslogins and sysxlogins) Will using an old "master" database on a new install pose any problems?
Any help will be GREATLY appreciated. Please email me at vchai@artinmotion.com
Thanks,
Vincent Chai
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Nov 22, 2004
I have 2 database servers, 1 @ production and 1 @ DR site.
To restore the master database to DR on a regular basis, I have to rely on either the DBA or SysAdm to perform the restore. It's pretty expensive, as they have to dedicate some time to do so.
I'm exploring the possibility of getting the Data Centre staff to do this instead, as they are stationed at the DR site. Please advise the SQL permisssions required to restore master database.
We are running SQL Server 2000.
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Feb 24, 2004
I wish to restore master database which was located on "e:" on my server.
the restored copy is residing on "f:"
when i restore the backup and restart, the server does not start.
is there any way to avoid this and perform the restoration succesfully.
or the process followed by me is wrong/incomplete.
do let me know...TIA
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Sep 20, 2006
Hello,
I have a fresh install of sqlExpress and Management Studio Express on my test server. I want to restore my master database from backup.
From the command prompt I set the Sqlservr -s SQLEXPRESS -m
Then I opened another comand prompt and ran my SQLCMD script to restore the Master Database.
here is the sql script:
RESTORE DATABASE [Master] FROM DISK = N'E:COPLEYNEWSDATABASEBACKUPMaster.bak' WITH FILE = 1, MOVE N'mastlog' TO N'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDATAMaster_1.ldf', NOUNLOAD, STATS = 10
GO
I recieve the following error.
Msg 3154, Level 16, State 4, Server COPLEYNEWSSQLEXPRESS, Line 1
The backup set holds a backup of a database other than the existing 'Master' dat
abase.
Msg 3013, Level 16, State 1, Server COPLEYNEWSSQLEXPRESS, Line 1
How do I restore a Master Database on SQL Express?
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Apr 23, 2006
I am having problem restoring a data i backup in master database for an application upgrade. I have this error message that ' i can only restore in single usermode for master database that i should change to single user mode'
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May 11, 2014
If one is regularly taking backups of system databases, when does it become necessary to rebuild the master database. I am looking for a situation where rebuilding the master is preferred to restoring it from backup.
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Mar 6, 2007
- First I made a full backup of master database
- Then I stopped SQL Server Service
- in cmd: cd C:Program FilesMicrosoft SQL ServerMSSQL.2MSSQLBinn
then sqlservr.exe -m
- I entered that single user mode
---> Problem here:
- I tried to connect to sql by sqlcmd -E --->
HResult 0xE9, Level 16, State 1
Shared Memory Provider: No process is on the other end of the pipe.
Sqlcmd: Error: Microsoft SQL Native Client : Communication link failure.
---> I tried to connect to management studio:
TITLE: Connect to Server
------------------------------
Cannot connect to BISHOYSERVER.
------------------------------
ADDITIONAL INFORMATION:
Login failed for user 'OFFICIALPROJECTAdministrator'. Reason: Server is in single user mode. Only one administrator can connect at this time. (Microsoft SQL Server, Error: 18461)
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Jul 29, 2014
Sometime during the night last night some user account permissions were "lost". Am I right to think that restoring the master database would be the way to go? We have a 2 node 2012 cluster and I stop the cluster resource and start the db in single user mode from the active node. Somehow the sharepoint farm is still trying to connect so I can't get logged in single user. What method could I use to stop users from connecting when I don't have access to the sharepoint farm.
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Sep 20, 2006
Hello,
I have a fresh install of sqlExpress and Management Studio Express on my test server. I want to restore my master database from backup.
From the command prompt I set the Sqlservr -s SQLEXPRESS -m
Then I opened another comand prompt and ran my SQLCMD script to restore the Master Database.
here is the sql script:
RESTORE DATABASE [Master] FROM DISK = N'E:COPLEYNEWSDATABASEBACKUPMaster.bak' WITH FILE = 1, MOVE N'mastlog' TO N'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDATAMaster_1.ldf', NOUNLOAD, STATS = 10
GO
I recieve the following error.
Msg 3154, Level 16, State 4, Server COPLEYNEWSSQLEXPRESS, Line 1
The backup set holds a backup of a database other than the existing 'Master' dat
abase.
Msg 3013, Level 16, State 1, Server COPLEYNEWSSQLEXPRESS, Line 1
How do I restore a Master Database on SQL Express?
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Mar 8, 2015
I had to to relocate the database log file and I issued an Alter database command but by mistake I put a space in the file name as below. The space is at the beginning file name. Now I am unable get the database loaded to SQL Server. The database has 2 replications configured, so deleting and re-attaching the database means the replication needs to be re-configured. Is there an alternative way to issue a command to update the database FILENAME ? Not sure if this can be edited in master database (sys files).
ALTER DATABASE [User_DB]
MODIFY FILE (NAME = User_DB_log, FILENAME = 'I:SQLLogs User_DB_log.ldf')
GO
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Jul 20, 2005
I have SQL server 2000 which recently crashed. I try to recover it andfound out that the Master database is corrupt. I never backup myserver using inline sql backup nor any third party backup program thataware to SQL server. But I have full system backup of volume c on tape(using NTBackup), which includes old version of Master database. Myquestions are:1. How can I recover this file into SQL server?2. If so, it is not risky to recover Master database from two weeksago?Thanks in advance!
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Nov 12, 2007
Hi All,
I am truncating Transactionlog€¦ following the steps mentioned in MSKB.. what is the problem?
Use master
Go
Backup log xxx with truncate_only
go
Dbcc shrinkfile(xxx_Log)
Go
Msg 8985, Level 16, State 1, Line 1
Could not locate file 'xxx_Log' for database 'master' in sys.database_files.
The file either does not exist, or was dropped.
Please help me.
Thanks in advance
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Jul 23, 2005
Hi,We are planning to create a prod environment on our Dev server, bycreating a new named instance on DEV. Our prod server is running onsql enterprise edition 64bit and dev on SQl enterprise 32bit.Could we copy all the databases from prod server includingMaster,msdb,model onto our dev server, and bring up all the databases?Does Master store information about the version of SQl server?Thanks for your helpGG
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Apr 27, 2008
I have never done this in a DR scenario before. What I used to do in SQL Server 2000 was apply the logins to a new installation of SQL 2000 then recover the application databases. I'm using 2005 now and I'm in a different mode where I would like to be able to recover the system (master, model, msdb) to a different server with the same SQL Server 2005 build ---- 9.0.3054. I'm following the procedures from Microsoft where they state to place the instance in single user mode first then invoke SQLCMD then perform the restore. Sounds simple enough.
C:> SQLCMD
> RESTORE DATABASE MASTER from DISK = 'Z:MINIDRmaster_backup_200804200315.bak'
The console is coming back with a message that the backup set holds a backup other than the existing master database. So I suppose that this cannot be done and is only intended for recovery on the same instance.
Any input/experience is appreciated.
Thanks.
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Aug 26, 2015
I executed the below query and getting the capacity values only for master database.All other DB shows NULL values for spaceused. I'm actually looking for a query to get all the capacity information other than using temp table and the procedures. Is there any way using SQL query ONLY.
select
db.[dbid] as 'DB ID',
db.[name] as 'Database Name',
af.[name] as 'Logical Name',
convert(decimal(12,2),round(size/128.000,2)) as FileSizeMB,Â
convert(decimal(12,2),round(fileproperty(db.name,'SpaceUsed')/128.000,2)) as SpaceUsedMB
from sys.sysdatabases db
inner join sys.sysaltfiles af
on db.dbid = af.dbid
Below is the output
DB ID Database Name
Logical Name FileSizeMB
SpaceUsedMB
1 master
master 4.00
3.44
1 master
mastlog 2.00
[Code] ....
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Mar 19, 2003
If a SQL 2000 server instance is destroyed, but the database file (*.mdf) is saved on the disk, can a database within a newly created server instance be built on the saved file?
If I attempt to create a new database and choose the saved mdf file as the data file, then the server refuses to accept this file. Is there a way to create the new database and make it read the standalone mdf file?
Please help if at all possible. Thanks.
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Dec 30, 2005
Hi,
Is it possible to restore a database with only a .bak file??
When I try to restore the system comes up with 2 paths where probably the original .mdf and .ldf files existed, but on my system they don't exist. How can I avoid this problem? (it's not possible to get the ldf and mdf files anymore...)
Grtz
Carlos
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Mar 3, 2006
Hello guys,
is it possible to restore an SQL server database from the .ldf file only?
The last operation is a script execution that have drop and create all the tables.
have you some idea?
Thanks to all
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Feb 28, 2006
Hello, I had backed up a database from SQL 2000, just before I format my computer. Now I have installed SQL 2005 and trying to restore that database to it, it doesn't work and I get the following error when doing that
===================================
Restore failed for Server 'localhostSQLEXPRESS'. (Microsoft.SqlServer.Express.Smo)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.1399.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Restore+Server&LinkId=20476
------------------------------
Program Location:
at Microsoft.SqlServer.Management.Smo.Restore.SqlRestore(Server srv)
at Microsoft.SqlServer.Management.SqlManagerUI.SqlRestoreDatabaseOptions.RunRestore()
===================================
System.Data.SqlClient.SqlError: The backup set holds a backup of a database other than the existing '2for1' database. (Microsoft.SqlServer.Express.Smo)
------------------------------
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.1399.00&LinkId=20476
------------------------------
Program Location:
at Microsoft.SqlServer.Management.Smo.ExecutionManager.ExecuteNonQueryWithMessage(StringCollection queries, ServerMessageEventHandler dbccMessageHandler, Boolean errorsAsMessages)
at Microsoft.SqlServer.Management.Smo.BackupRestoreBase.ExecuteSql(Server server, StringCollection queries)
at Microsoft.SqlServer.Management.Smo.Restore.SqlRestore(Server srv)
========================================================
any help is appreciated
Thanks,
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Mar 25, 2002
I have to do a database restore from tape from a couple of months ago. When I look at the SQL scheduled task history all databases were sucesfully backed up to a .DAT file. However, when I look at the .DAT file which I have just retrieved from tape - the database which I am looking for isn't listed under the backup information, so I can't choose it to carry out the restore.
Has anyone seen this problem before?
What do I do?
Thanks
Derek
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Jun 4, 1999
DOES ANYONE KNOW HOW I CAN RESTORE A SQL7 DATABASE WITH JUST THE DATA FILE?
THERE IS NO GOOD BACKUP OF THE DATABASE AND THE LOG FILE IS MISSING. THE CLIENT THOUGHT THEY WHERE BACKING UP THE DATABASE BACKUP FILE TO TAPE, BUT THEY WHERE NOT. THE BACKUP FILE WAS BEING OVERWRITTEN EVERY NIGHT. THE LAST NIGHTS BACKUP DID NOT GET TO FINISH TO COMPLETION.
PLEASE, ANY INPUT WOULD BE APPRECIATED.
THANKS,
TIM
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Mar 19, 2004
I have been trying to use DMO(C++) to backup a database and then restore from that backup to a new db name AND physical data and log files, with no success. I have been able to successfully restore the backup to the same database and change the physical file names using the RelocateFiles property on the Restore object, but not change both.
Any help would be greatly appreciated.
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May 4, 2015
Now i must restore a database from a backup file of MS SQL Sever 6.5,but this file is bad. When i restore database from this file, SQL Server tell me that the format of this file is not file format of SQL Server 6.5.So that I must repair this backup file firstly. I don't know database file format of SQL Server 6.5.
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Nov 20, 2007
Hi guys
I have backup my database with "file and filegroup"selected. I have dropped my database by accident. is it possible to restore my data back from "file and filegroup".bak??
Thanks
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Jun 25, 2015
One of our database came to Restoring mode. I suddenly stop my SQL service and Copied only MDF files again Started SQL service ,unexpectedly i dropped the Database. Now i cant able to attach the database only with my MDF file.
I tried below Scripts. All scripts shows same error.
EXEC sp_attach_single_file_db @dbname='PhoenixPolice',
@physname=N'C:Program FilesMicrosoft SQL ServerMSSQL10_50.MSSQLSERVERMSSQLPhoenixPolice.mdf'
GO
CREATE DATABASE PhoenixPolice ON
  (NAME = N'PhoenixPolice',
  FILENAME = N'C:Program FilesMicrosoft SQL ServerMSSQL10_50.MSSQLSERVERMSSQLPhoenixPolice.mdf')
FOR ATTACH_REBUILD_LOG
GO
CREATE DATABASE phoenixPolice ON (FILENAME = N'C:Program FilesMicrosoft SQL ServerMSSQL10_50.MSSQLSERVERMSSQLPhoenixPolice.mdf')
FOR ATTACH
All scripts shows below error
File activation failure. The physical file name "F:Microsoft SQL ServerMSSQL10_50.MSSQLSERVERMSSQLDATAPhoenixPolice_1.ldf" may be incorrect.
The log cannot be rebuilt because there were open transactions/users when the database was shutdown, no checkpoint occurred to the database, or the database was read-only. This error could occur if the transaction log file was manually deleted or lost due to a hardware or environment failure.
Msg 1813, Level 16, State 2, Line 1
Could not open new database 'PhoenixPolice'. CREATE DATABASE is aborted.
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May 9, 2008
Hi SQL server experts,
I'm trying to restore from a backup file.
I need to restore the datafile and logfile to different names.
I modified the options page, changed the 'Restored As' file name.
I clicked on the General page and Clicked on the Options page again, the old values came back.
How do I handle this?
Thanks in advance.
Pingx
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Feb 21, 2002
Hi Friends ...
I need your advice and help on the following problem . Say for example I have a SQL 7.0 Server A with 30 databases and i am in the process of transfering these databases to another system which is SQL Server B with 7.0 again .
Although the Databases can be copied by various means , can i restore Master database from the Server A to Server B so that my Server B will have all the database and login information as that of Server A.
As Master database is system database , it won't allow to be dropped and hence you cannot restore .
Is there any other way to restore Master database from One SQL server 7.0 to another with the same SQL version .
Any kind of assistance will be of great help to me . Many thanks in advance .
Kind Regards
Sneha
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