15
2017
Setting up Always ON Availability Group in Multi Subnet Cluster – Recommendations
While planning to configure always on availability group for first time on a multi subnet cluster found following use articles, it provides clear picture in terms of design and architecture, our requirement was to build SQL 2012 cluster on DC1 along with a reporting standalone SQL instance in same DC1, along with it, we want to have DR solution in DC2 where two standalone SQL instances are present on their respective server, to achieve this […]
9
2017
Login failed for user ‘DOMAIN\COMPUTER$’. Reason: Could not find a login matching the name provided. [CLIENT: ]
On a recently built SQL Server 2016 observed following errors every 5 mins, Login failed for user ‘DOMAIN\COMPUTER$’. Reason: Could not find a login matching the name provided. [CLIENT: <local machine>] Error: 18456, Severity: 14, State: 5 As part of troubleshooting, tried following, Created login DOMAIN\COMPUTER$ with public access as well as SA access but error continue to arrive Validated all SQL agent jobs, OS scheduler tasks, etc. but found nothing […]
3
2017
Windows Cluster Asymmetric Disks – In Always ON Clusters
Starting Windows 2012, Windows cluster supports asymmetric disks which is required for Cluster participating in Always ON technology hence is a useful concept to be aware of, http://www.sqlserverfaq.net/2012/09/16/when-do-we-need-asymmetric-storage-with-alwayson-fci-and-availability-storage/ https://social.technet.microsoft.com/Forums/windows/en-US/493bf438-eb9d-405c-81c5-42aaa31eef8a/configure-asymmetric-storage-for-crosssite-windows-failover-cluster?forum=winserverClustering
28
2017
Capture High CPU consuming process using Process Explorer
As a DBA we encounter situations when CPU is high on a DB server but DB is not consuming any CPU, we can see the processes consuming high CPU but don’t know how to identify that what process is doing causing issue and in cases where process is an encapsulated process like wscript.exe or any other system process we generally recommend server reboot but that generally washes out all logging; now as a DBA we […]
25
2017
Antivirus Exclusion List for SQL Server
After struggling a lot and working with vendor, identified list of exclusions for SQL Server related to Anti Virus Software (McAfee, Symantec, etc.), the details can be found in this link, last one is important as it impacts performance. https://support.microsoft.com/en-us/help/309422/how-to-choose-antivirus-software-to-run-on-computers-that-are-running-sql-server Directories and file-name extensions to exclude from virus scanning When you configure your antivirus software settings, make sure that you exclude the following files or directories (as applicable) from virus scanning. Doing this […]
10
2017
Error 17182 – TDSSNIClient initialization failed with error 0xd, status code 0x10
Issue: While trying to restart SQL Service, it failed and following error found in error logs, yyyy-mm-dd hh:mm:ss.xx Server Error: 17182, Severity: 16, State: 1. yyyy-mm-dd hh:mm:ss.xx Server TDSSNIClient initialization failed with error 0xd, status code 0x10. Reason: Unable to retrieve registry settings from TCP/IP protocol’s ‘IPAll’ configuration key. The data is invalid. yyyy-mm-dd hh:mm:ss.xx Server Error: 17182, Severity: 16, State: 1. yyyy-mm-dd hh:mm:ss.xx Server TDSSNIClient initialization failed with error 0xd, status code […]
25
2016
Windows Task Scheduler Error – transaction support within the specified resource manager is not started
While deleting a task in task manager, received following error reported by my team, Error: “transaction support within the specified resource manager is not started or was shutdown due to an error” We tried multiple options to modify job and delete but nothing worked, On further google search found that issue is similar to found on following forum, http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/transaction-support-within-the-specified-resource/fba64f34-4c16-4551-82d7-f22169be0d97?auth=1 Executed following command on server, fsutil resource setautoreset true c:\ […]
11
2016
Fix: Issue with Remote Desktop screen resolution while working from a high resolution system
Came across a unique issue on a friend’s laptop where he has high resolution screen but when trying to remote desktop any server then the remote server also inheriting the same resolution and text looks very small, MSTSC settings, desktop resolution settings, etc. everything is tried what possible but it didn’t fixed the issue. To resolve this, he found following solution to fix. Note: I am writing this post to keep a record of this […]
20
2015
SQL server setup failure – Updating permission setting for file E:\**** failed
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
10
2015
Virtual Numa Overview – links
Came across following links relevant to Virtual NUMA, read for additional knowledge, Vmware: https://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.resmgmt.doc%2FGUID-A80A6337-7B99-48C8-B024-EE47E2366C1B.html Hyper-v https://technet.microsoft.com/en-ca/library/dn282282.aspx
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Recent Articles
- Setting up Always ON Availability Group in Multi Subnet Cluster – Recommendations
- Configuring Replication with Always ON Availability Group
- Login failed for user ‘DOMAIN\COMPUTER$’. Reason: Could not find a login matching the name provided. [CLIENT: ]
- Modern Servicing Model (Service Pack and Cumulative Updates) for SQL Server 2017 and onwards
- Fix: SSMS 2012 opening Debug window when pressing F5