As we know the solution for SQL Server Data at rest encryption is TDE (Transparent Data Encryption) but what if application need End to End data encryption for PII fields, the solution is Always Encrypt columns in SQL 2016 Ent. Ed., from support DBA perspective it’s more of setting it up and supporting it but major liability lies with application developer, they need to validate and implement solution in first place; certainly there are few […]

Came across weird situation where received alert for SQL Server transaction log file full and found log_reuse_wait_desc=replication from sys.databases   Now before mentioning troubleshooting step, setup of the database is question is little bit complex because Database is part of SQL Server replication where database publisher is at vendor side and we don’t have access to publisher DB 🙁 Oracle Golden Gate replication is configured from this database to Oracle DB Database in question is […]

While trying to drop a linked server received following error,   Drop failed for LinkedServer ‘XYZ.ABC.COM’. (Microsoft.SqlServer.Smo)For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=10.50.6000.34+((KJ_SP3).140819-1214+)&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Drop+LinkedServer&LinkId=20476—————————–ADDITIONAL INFORMATION:An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)——————————Cannot drop server ‘XYZ.ABC.COM’ because it is used as a Distributor in replication. (Microsoft SQL Server, Error: 20581)For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=10.50.6525&EvtSrc=MSSQLServer&EvtID=20581&LinkId=20476 After going through online posts, found following script to drop distributor settings on Pinal Dave site (link),   EXEC sp_dropdistributor @no_checks = 1, @ignore_distributor = 1 […]

TDE (Transparent Data Encryption) is an inbuilt encryption feature of SQL Server Enterprise Edition introduced by Microsoft from SQL server 2008 onwards, this comes in handy when someone has to secure the PII (Personal Identifiable Information) from prying eyes, as it is Enterprise Edition feature only hence comes with a premium price. So while I got a request to analyze implementation of it on more than 200+ SQL standard edition then first thing which has […]

While shrinking a large (950GB) database file to move data to a secondary NDF, got below 3140 error, it is a normal error occurs while shrinking files of that capacity, please find resolution below,   Error:   Environment: SQL Server 2005 ENT. ed.   Issue: Data file shrink fails for large data file size with Error: 3140   Fix: The following example query truncates the primary data file in the AdventureWorks2008R2 database. The sys.database_files catalog […]

While re-installing SQL server, got below error,       To fix this execute below commands with elevated access in command prompt so that permissions get applied to respective path,   Eg: takeown /F c:\Windows\system32\drivers /D y /R    In our scenario commands are provided below:   Here path is “F:” which is a parent folder.   takeown /F F: /D y /R   cacls F: /E /T /C /G “<<<user_AD_account_name>>>“:F

Error Screenshot:       Resolution: Open command prompt and execute below command,   mofcomp.exe “C:\Program Files (x86)\Microsoft SQL Server\100\Shared\sqlmgmproviderxpsp2up.mof”   Note: to cross verify, ensure that sqlmgmproviderxpsp2up.mof exists as above said location, if you are using SQL 2012 or later, go to appropriate shared folder on C: and update the command and execute   This will show results like below,     Now, SQL Server configuration manager should open fine without any issues.   […]

While trying to open Report Manager URL via IE received HTTP STATUS CODE 500 error   In order to troubleshoot further, reporting log files are analyzed present in MSSRS root folder   Log file folder: <driver>:\Program Files\Microsoft SQL Server\MSRS10.MSSQLSERVER\Reporting Services\LogFiles\   Error logged: Error resolution: As per link, this error is because FIPS (Federal Information Processing Standard 140-1) Compliance was enabled and in order to meet certain standards this is required for audits. One option […]

  Recently while troubleshooting performance issue on a server, found that the CXPACKET waittype is high,   WaitType Wait_S Percentage AvgWait_S AvgRes_S AvgSig_S CXPACKET 1402132.06 56.82 0.0067 0.0063 0.0004   CXPACKET waits in the server are not an immediate sign of problem; they may indicate another problem, associated with one of the other high value wait types in the instance for e.g. Queries are executing with parallelism   Now when dealing with CXPACKET waittype do […]

Database backup compression is a feature provided by Microsoft which reduces the native backup size by up to 66% depending upon the type of data stored in a database and similar other factors. By default backup compression is disabled as it has some limitations which needs to be looked as per environment setup and if suites one’s need then it can be enabled as default or a parameter can be added to backup script to […]