Browsing articles in "SQL Server Features"
Jul
15
2016

Transaction log file full because of log_reuse_wait_desc=replication, CDC, goldengate

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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 in […]

Apr
4
2016

Microsoft Announced updates to the SQL Server Incremental Servicing Model (ISM)

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A good news for those who manage SQL releases, now CU updates are backed by Microsoft and one should not wait for SP releases, CU should be applied as early as possible,   https://blogs.msdn.microsoft.com/sqlreleaseservices/announcing-updates-to-the-sql-server-incremental-servicing-model-ism/   Updates to Cumulative Update Messaging and Guidance: Over the years, as we released CUs (Cumulative Updates), you have become familiar with a certain type of deterrent messaging around those updates. Examples like the below messages often lead DBA’s to plan […]

Oct
14
2015

SQL Server to Oracle Linked server error 7303: ORA-12504 listener was not given the service_name in connect_data

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While configuring Linked server to oracle database from SQL server, faced following error,   Error: “ORA-12504: TNS: listener was not given the SERVICE_NAME in CONNECT_DATA” (Microsoft SQL Server Error: 7303)     I did following validation checks to ensure things are in place: Tnsnames.ora – validated that SID is present in tnsnames.ora file which is generally located in C:\Oracle\product\11.2.0\client_1\network\admin\ folder Validate syntax of connection string, it should be in below format, ORA123 = (DESCRIPTION = […]

Aug
24
2015

SQL Server TDE (Transparent Data Encryption) alternatives

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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 […]

Apr
23
2015

SQL Server Configuration Manager – Cannot connect to WMI provider – Invalid class [0x80041010]

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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.   […]

Mar
27
2015

Tools for Analyzing SQL Server trace files

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After validating multiple options to analyze SQL server trace files, I found below tools which can help achieve required results, hope it helps someone looking for quick list. There may be multiple other tools available, below are few tested ones from my list.   For basic analysis – Microsoft In-built tool: SQL Server profiler Usage: Login to any server with SQL Server installed, open SSMS and go to Tools > select “SQL Server Profiler” > […]

Dec
29
2014

SQL Server 2005 Reporting Services – Configuration Issues and Fixes

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While dealing with a SQL Server 2005 Reporting configuration, faced multiple issues, below is list of issues and applied fixes along with some useful link to redirect in case freshly setting up SSRS.   Main issue which arises is Authentication, SSRS 2005 authentication is handled via IIS manager, and there are multiple options available for e.g. Integrated Windows authentication, Basic authentication, Anonymous Authentication. Based on security requirement one of these can be setup, easiest one […]

Sep
4
2014

All about SQL Server Trace flags – Links

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  While doing search for SQL Server 2005 trace flags found few good links which greatly describe the info in detail, please use as per your requirement, most of them may be applicable to higher version of SQL Server as well.   Flags can be set for Session or Global (some are startup) levels though for later some can only be switched at startup using –T (you are suggested to avoid –t which turns on […]

Apr
21
2014

SSRS 2008R2 Error: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms

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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 […]

Jan
1
2014

SQL Server CXPACKET waittype and MAXDOP settings – Tips

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  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 […]

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