SQL 2012 :: Database Mirroring And NT Authority Account For Database Engine?
Dec 2, 2014
I have just finished configuring my first test mirrored environment (High safety mode). I setup the database engine service accounts on each of the servers with domainuser. I inherited a production mirrored environment set up by someone else. On the production servers the database engine service account is NT Authorityuser a local account. I am trying to practice installing Windows updates within a mirrored environment and I not sure how to proceed when the service account is NT Authority user account. should I change the service account to a domainuser?
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Apr 22, 2015
As the title suggests we are looking to change the service account of a SQL mirror implementation. I will be using the same account on all 3 servers involved in the configuration.
I know each server requires the account of the other two adding but as this will be the same account I assume this doesn't apply?
Also for mirrored databases already set up would I need to reconfigure the security for each one?
Is there anything I am missing?
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Sep 24, 2014
I am trying to configure database mirroring with sql server 2012.
My principal instance and my mirror instance are on different server.
Both SQL Server service run with NT SERVICEMSSQLSERVER.
Now when I am configuring database mirroring, which service account should I use ? database account or server account ?
Instead of using domain account, can I :
1- create local account on my two server
2- Add these 2 logins in my 2 instances.
3- use these local account for configuring database mirroring.
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Jan 24, 2015
I have created a new login in principle server and provided dbowner permission to principle db.
How do I transfer this login to mirror server and assign the same permission to mirror dd?
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May 13, 2015
I've read here at [URL] that with 32 bit it's recommended to only have 10 database mirrors per instance. However, is there a limit for 64 bit SQL Server 2012?
We're having a problem where we have about 300+ databases and now any new db's we add are timing out when it comes to setting up mirroring and am wondering if this is limited by the instance.
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Oct 24, 2015
missing witness server information and the fail-over is broken suddenly? 4:00am no maintenance job. I have one sql job on 10pm for backup on database transaction log only.
I can see the primary have problem then perform fail-over to mirror database, the auto fail-over was broken.
I re-build the sql mirror is OK , but i want to find the root cause.
Windows application event was full when there have many failed event, i have increase log size for application event.
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Feb 12, 2014
I have a server which has SQL Server 2012 SSAS.
My client wants SSIS and database engine to be installed to be mapped to this analysis services engine.
Is that possible?
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Jul 14, 2015
In SQL Server Management Studio, it is possible to do the following:
a) In Object Explorer, connect to a particular SQL Server Database Engine, let's call it X.
b) Use that connection to generate many SQL queries, connected to X, in the right-hand pane.
c) In Object Explorer, connect to a particular SQL Server Database Engine, let's call it Y.
d) Use that connection to generate many SQL queries, connected to Y, in the right-hand pane.
e) Close the connection to X, which was created in step (a), from within Object Explorer.
In the right-hand pane, I am now left with a bunch of queries connected to X, and a similar bunch of queries connected to Y. Any quick way to shut all the queries connected to X, but none of the queries connected to Y?
This question can assume real practical importance if server X is a Live Production Server, and server Y is a Test Server, and my next job of the day is to run a change script against server Y....
I have looked for an option in Management Studio to "Close all queries connected to Server X", but haven't found one.
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Jan 12, 2013
I have a SQL cluster which ran out of disk the other day. I threw plenty more disk at the SAN. However, 1 of the databases came back with Recovery Pending and has been over 24 hours. I have tried to backup the database with no success. I don't have a clean backup from the day it occured so would have a good amount of work missing.
Running a dbcc check returns the following:
Msg 945, Level 14, State 2, Line 1
Database 'sqldb' cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details.
I have not tried a dbcc check with REPAIR_ALLOW_DATA_LOSS as there seems to be a high risk of losing whatever was going on. how I can get the db back online?
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Mar 26, 2013
I can't install the SQL Server 2012 Express version with tools downloaded from [URL]
I'm getting the following error:
Error installing SQL Server Database Engine Services Instance Features
Could not find the Database Engine startup handle.
Error code: 0x851A0019
I'm trying to install a new stand-alone version with a default instance but always getting this error. From the features I'm installing the database engine services (not the replication), all the tools, only the basic management toolds and the SQL Client connectivity SDK.
Further in the installation I'm choosing the Windows authentication and in the list of SQL administrators I've already tried to install as current user but also as System. Both with the same error result.
[URL]
Note: Visual studio is not installed.
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Feb 24, 2014
When opening .sql files, I get a connect to database engine prompt every single time. how to stop this from prompting vs. just using my current active connection?
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May 3, 2008
Server A = primary SQL DBs (mirroring origination)
Server B = failover SQL DBs (mirroring destination)
For database mirroring a witness is required.
Can the witness live in another instance of SQL on server B?
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Jun 12, 2007
When I issue this command:
ALTER DATABASE foo set PARTNER = 'TCP://10.3.3.1:1234'
I get this error message:
The database is being closed before database mirroring is fully initialized. The ALTER DATABASE command failed.
What does that mean, and how do I fix it?
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Apr 2, 2008
I set up a new mirror server. Everything is good except that the Database Mirroring Monitor is not working for one of the databases. In the monitor the principal data is showing up as blank
If I look at dbm_monitor_data on the principal most of the data columns (e.g. Send_queue_size) are null where as they have data for the other databases.
Both servers are SQL Server 9.0.2047 Enterprise Edition.
Any idea what might be going on here?
Thanks in advance.
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Oct 12, 2015
Using SQL Server 2008, we would like propose mirroring between two servers of a critical database. Since we initiate, may require to clarify on its purpose and also required changes from application end.Any changes required from OS Level? (I believe both servers IP or Host name should be added in host entries. Mirroring ports should be allowed/open including Principal and mirror server IP Addresses): Windows Team.Any changes required from Application? (Instance name, authentication: user name and its password should be added in web config files): Application Team.Any changes required from Network Team?Also for mirroring both the principal and mirror servers should be with same version, does it only mean SQL Server 2008 versions are enough or does it also mean to say build numbers 10.00.4000 should also be same.URL....
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Aug 18, 2007
I have MS-Access as data source for one of the reports. I can preview the report fine from BI studio however, it does not work when I deploy it on report server.
The error is :
An error has occurred during report processing.
Cannot create a connection to data source '<data source name>'.
The Microsoft Jet database engine cannot open the file '<UNC location of the MS-Access database>'. It is already opened exclusively by another user, or you need permission to view its data.
MS-Access database is located on a different server.
Any help to solve this? I understand it has something to do with permission both on server where reporting service is running as well as the server where MS-access database is located. Pls help.
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May 14, 2007
Hi, all experts here,
Thank you very much for your kind attention.
I am trying to modify the files path (primary file, log file) of databases, but it looks like I am not able to mofidy their files path directly from the database property dialogue? Would please any experts here give me some ideas on what else can I try to figure it out? Thanks a lot in advance and I am looking forward to hearing from you shortly.
With best regards,
Yours sincerely,
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Sep 26, 2007
Hi,
Is it possible to set up database mirroring between two servers that have SQL Service running under Local system? I tried to setup mirroring between two servers running under Local system but was running into the following error:
Server or Network address cannot be reached or does not exist.
What are the pre-requisites for setting up database mirroring if the service runs under Local system? Do I have to configure certificates? Is that mandatory? Can anyone please let me know. Any other gotchas?
Thanks
AK
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Oct 12, 2007
Hi All,
Does anybody know the OS requirements for Database Mirroring? I checked BOL and Google but couldn't find any info on that.
Thanks.
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Feb 27, 2008
Hi All,
I have read on the web that high protection mode not recommended, except in the event of replacing the existing witness server. But I can't find the reason why anywhere. Can anybody explain? Thanks.
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Mar 12, 2008
Hi All,
Couple of questions about database mirroing.
1. Once the mirroring is setup is it possible to switch between high-protection and high-performance modes? If it is will I have to stop the mirroring, switch the modes and then restart it again?
2. Let's say the principal server went down and I manually failed over to the mirror server. Mirror server runs as a new principal server for a couple of days and then I bring the original principal server back up. What needs to be done in order to bring transactions on the principal server up to date?
Thanks.
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Mar 15, 2007
for a database mirroring , which stretergy is good.
Creating with witness server or without it.?
I am firsttime doing this , so i am posting it to the forum..
and also if we are creating the database mirroring with witness server for automatic failover , will the witness server need the same amount of harddisk space like the pricipal or mirror server.??
thanks
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Jul 30, 2007
we want to migrate our production server , without taking the database down.so what we did was , we mirrored the databases from production to one of our development servers and we took the prodcution server for uprgrade.
so today we are moving back (mirroring) all the databases from that development server to our new production server.
my question is , when i move
productionserver_old(principal server) - having the script for principal server
development server(mirror server---->principalserver)) - having the script for mirror server , which is now acting as principal server
new production server(mirror server) - having the script for mirror server. will become principal server , once i moved all the databases
now while mirroring between the developement server and the new production server, i have to run the scripts for the mirror server only.
so both the servers are havign the mirror script now...
is that a problem, or any other way i can handle this....
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Mar 21, 2008
Hi All,
Does anybody know any good Tutorials for Database Mirroring (Automatic Failover) or Manual Sync with Mirror Server. I tried some sites online, but doesn't have detailed steps..
pls.help as i need to sync data with One of my Mirror using Sql Server 2005.
thanks
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Mar 14, 2008
Hi,
I have some questions about database mirroring. we have almost 40 databases in one server. Can I set up the database mirroring for all the databases. Is it going to any affect on performance. we have already setup the mirroring on almost 30 databases, and I need to set up for the rest of 10. please some body could help on this. Thank you.
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Jul 7, 2006
Hi,
i'm a novice of sql server and I have a problem.
I have to reply a server in which there are database that are managed with sql server 2000 sp3; what I must make in order to set up the mirroring between the database of the two server so that the data are always aligned ?
thanks for the attention
best regards
alessandro
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Apr 18, 2007
I am new user of SQl and preparing the exam database mirroring....can you tell me how i start the mirroirng ..what is my first tep..and is there only one instance
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Mar 12, 2008
Hi All,
Couple of questions about database mirroing.
1. Once the mirroring is setup is it possible to switch between high-protection and high-performance modes? If it is will I have to stop the mirroring, switch the modes and then restart it again?
2. Let's say the principal server went down and I manually failed over to the mirror server. Mirror server runs as a new principal server for a couple of days and then I bring the original principal server back up. What needs to be done in order to bring transactions on the principal server up to date?
Thank you.
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Jan 4, 2008
Can we have database mirroring for two databases. Like i have an application where in the db used are two, namely DB1 and DB2, DB1 is used in the connection string and with the help of DB1 the tables and sps of DB2 are handled.
in this case can i go ahead with database mirroring. Please comment and give the idea or link on the same.
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Oct 25, 2006
Hi,
Is there a way to automatically mirror/backup a SQL Express database with a SQL Server 2005 licenced system?
They will be on seperate machines on the internet.
I have done manual backup and restores but would like to allow constant updates to allow both databases to be synchronized.
I read that the SQL Server 2005 version has a mirroring facility but I also read that this is not possible in the Express version.
What other (automated) options do I have?
Thanks Andrew
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Mar 31, 2005
This is the error message "Login failed for user 'SUSHMAASPNET'. "
I am Building a Data Form that displays data from a single table- the Customers table in the Northwind sample Database.
I have Visual Studio.Net 1.0 and SQL Server 2000.
So I feel that I need to add an ASPNET account to my database.
Please could someone tell me if this could solve the problem, if so
please could you tell me how to Add an ASPNET account to my database?
Thank you
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Jan 30, 2002
Hello Everybody ..
Can anyone help me with some information or procedure as to how to mirror database devices in SQL Server 7.0 & SQL 2000 servers ?
SQL Server 6.5 has mirror utility built in the Enterprise manager .
Is there any way to do it on SQL 7.0 and SQL 2000 Servers ?
Any help will be appreciated .
Many thanks
Yatin.
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