This indicates that the mailbox store database is damaged or in an. If you find your database in an inconsistent state, you should restore it from a backup file.
Repair a Failed SQL Server Installation. 2 minutes to read.In this articleAPPLIES TO: SQL Server (Windows only) Azure SQL Database Azure SQL Data Warehouse Parallel Data WarehouseRepair operation can be used in the following scenarios:.Repair an instance of SQL Server that is corrupted after it was successfully installed.Repair an instance of SQL Server if the upgrade operation is cancelled or fails after the instance name is mapped to the newly-upgraded instance.If you see the following message in the summary log, you can repair the failed upgrade instance:'SQL Server upgrade failed. To continue, investigate the reason for the failure, correct the problem, and then repair your installation.' .If you see the following message in the summary log, you need to uninstall and reinstall SQL Server. You cannot repair the SQL Server instance.' SQL Server upgrade failed.
To continue, investigate the reason for the failure, correct the problem.' When you repair an instance of SQL Server:.All missing or corrupt files are replaced.All missing or corrupt registry keys are replaced.All missing or invalid configuration values are set to default values.Before you continue, for SQL Server failover clusters, review the following important information:.Repair must be run on individual cluster nodes.To repair a failover cluster node after a failed Prepare operation, use Remove node and then perform the Prepare step again. For more information, see.Repair a failed installation of SQL Server from the Installation Center.Launch the SQL Server Setup program (setup.exe) from SQL Server installation media.After prerequisites and system verification, the Setup program will display the SQL Server Installation Center page.Click Maintenance in the left-hand navigation area, and then click Repair to start the repair operation. TipIf the Installation Center was launched using the start menu, you will need to provide the location of the installation media at this time.Setup support rule and file routines will run to ensure that your system has prerequisites installed and that the computer passes Setup validation rules. Click OK or Install to continue.On the Select Instance page, select the instance to repair, and then click Next to continue.The repair rules will run to validate the operation.
To continue, click Next.The Ready to Repair page indicates that the operation is ready to proceed. To continue, click Repair.The Repair Progress page shows the status of the repair operation. The Complete page indicates that the operation is finished.To repair a failed installation of SQL Server using Command Prompt.Run the following command at a command prompt: Setup.exe /q /ACTION=Repair /INSTANCENAME=instancenameSee Also.
Eseutil Exchange 2010 CommandsBeware! Eseutil is a dangerous tool in the wrong hands. Consequently I recommend that you practice on a test Exchange Server, or else begin with an innocuous switch such as eseutil /mh.Having alerted you to the dangers, I want to emphasise that there will be circumstances where eseutil is a life-saver. (Or at least an email saver!) Topics for Exchange 2010 Eseutil Commands.♠By highlighting the capitalization of this tool – ESEutil, the following facets of this command spring to my mind;. Here is a tool that manipulates the Extensible Storage Engine (ESE). ESEutil is a similar to NTDSutil, which I use to configure Active Directory.
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The capitization reminds me of the ‘util’ part of the word, and this produces a vision of a Suisse army knife (see picture right).Whether you spell it ESEutil, Eseutil or plain eseutil, this built-in executable is three tools in one. A different switch controls each aspect of eseutil, furthermore, eseutil’s switches are also case insensitive.Simple Eseutil Commands to Replay Natural ActionsThe first, and harmless aspect of eseutil, is illustrated by using the /k, and /mh switches.
These commands give us the ability to replay actions that occur naturally on an Exchange 2010 server, for example, if you need to replay the logs after a backup, or you need to remount a store.Classic Database DefragThe second side of eseutil is to defragment Exchange 2010’s databases, for this job use the eseutil /d switch. This purpose of the /d switch is to shrink the.edb files and thus reclaim disk space. However, eseutil /d carries out a specialist database compaction, which is not the same as a Windows Server 2008 disk defragmenter.Troubleshooting – Death or GloryThe third, and the most risky facet of using eseutil, is the repair function, which you execute with the /r or /p switch. I must emphasise that if you need to repair a damaged Exchange mailstore, then eseutil /r or /p should be your last resort. If the database repair fails then it can corrupt the messages in your store, therefore, always backup your Exchange 2010 server before you try the /r or /p switches.Getting Started with EseutilIf you are new to Eseutil, go to the command prompt and then navigate to the Program FilesMicrosoftExchange ServerBin folder. (See screenshot) Since this bin folder is not in the file ‘Path’, beware of the infamous: ‘not recognised as an internal or external command’ error message. This does not necessarily mean there is no eseutil on the Exchange server, merely that you are not executing the eseutil command from the Exchange ServerBin folder.
Research by using eseutil /?An old trick is to copy the Address as seen in Explorer and then go to the command prompt, right-click and paste that path. (See diagram opposite.)Alternatively, if you are going do a lot of command line troubleshooting, then it’s worth appending the Path in the System Icon, Environmental Variables.Scope of Eseutil in Microsoft Exchange 2010 ServerA new development in Exchange is that you can use eseutil 2010 not only on Mailbox servers, but also on the Hub Transport and Edge servers.Guy Recommends: A Free Trial of the Network Performance Monitor (NPM) v11.5SolarWinds’ will help you discover what’s happening on your network. This utility will also guide you through troubleshooting; the dashboard will indicate whether the root cause is a broken link, faulty equipment or resource overload.What I like best is the way NPM suggests solutions to network problems.
Its also has the ability to monitor the health of individual VMware virtual machines. If you are interested in troubleshooting, and creating network maps, then I recommend that you try NPM now.The eseutil /m mode does not repair any of your Exchange files. Its main purpose is to provide you with information about the state of the database files.
In particular to analyse a repair of the Exchange database file using the /p switch. However, I recommend that you start with this command to get a feel of eseutil database management ability.Here is a simple switch to verify the state of an Exchange database. All that eseutil /mh does is to determine whether the last shutdown was clean or dirty. Eseutil /mh is also ideal to practice getting to the right path and executing eseutil without doing any harm to the mailstore databases.To start with, familiarise your self with the names and location of the Exchange 2010 databases.
My suggestion is to type this command from the Exchange Serverbin folder:eseutil /mh 'D:Program FilesMicrosoftExchange ServerMailboxFirst Storage GroupMailbox Database.edb'(Assuming Exchange 2010 is installed on the D.). Sample output:Repair Count: 5State = dirty shutdownRepair Date: 10:55:24Examine the output for this line, ‘State: Clean Shutdown’ (or Dirty Shutdown). In passing, you can also see when the last backup occurred.Another use of eseutil /mh is in disaster recovery where you want to see if eseutil /p has already been run. If ‘Repair Count’ is greater than zero, then you can see how many times eseutil /p has been tried already. In general, the greater the Repair Count, the less chance of a successful repair.Eseutil /mlSimilar to the /mh, except this switch performs an integrity check on log files, for example, E00.log.Eseutil /mmDumps metadata from the database file (not the logs). Specialist use only, I find the output fascinating but not very useful.
If you do try this command, best to redirect the output to a file thus:Eseutil / filename.edb C:logsExchHead.txtEseutil /mkProvides header information about the checkpoint file. Handy for troubleshooting backup / restore problems.Guy Recommends: The SolarWinds Exchange MonitorHere is a. Download and install the utility, then inspect your mail queues, monitor the Exchange server’s memory, confirm there is enough disk space, and check the CPU utilization.This is the real deal – there is no catch. SolarWinds provides this fully-functioning freebie, as part of their commitment to supporting the network management community.One scenario for Eseutil /k is to check a backup before you restore. The key verb is ‘to check’, while the key noun is ‘header’. Just as checksum verifies a file’s size, so by using eseutil /k you can verify the integrity of Exchange 2010’s information stores. Another job for eseutil /k is to troubleshoot an Exchange 2010 database after an unscheduled shutdown of the Windows 2010 server. One point to note is that eseutil /k does not recover the database, for that you need the /r or /p switch – but be careful.If you create additional mailbox stores, then check their corresponding.edb filenames.
Example: to check the default mailbox store = Mailbox Database.edb go to the command prompt and type:eseutil /k 'c: Program FilesMicrosoftExchange ServerMailboxabc Storage GroupMailbox Database.edb'(I assumed that Exchange 2010 has been installed on the c:).Do not worry about uninititialized pages, it’s normal to have several hundred in this category. However, what you don’t want is bad checksums or wrong page numbers.Another scenario is that you wish to check the transaction logs, in which case here is the command:eseutil /k e00.logAs there are no spaces in the above file or folder names, you do not need to enclose the command with speech marks. However, to save disappointment, pay special attention to the path where the databases are stored.You can also run checksum against a database on a transport server queue.
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By default, the database file name is mail.que.Incidentally the Library programmatically verifies the integrity of the Exchange Server 2010 and database and log files.Eseutil /d is probably the commonest, and possibly the safest of eseutil’s switches. Firstly, think of ‘d’ for eseutil database. Secondly, realise that this /d switch works in the same way that Diskkeeper defrags a physical disk. Take the problem where Exchange’s mailstore is huge and does not shrink even after you have deleted several mailboxes. You would like to recover the space occupied by the deleted mailboxes.