One of my clients approach me that after patching of SQL instances, database mirroring stopped working. As usual, I asked them to share ERRORLOG file SQL SERVER – Where is ERRORLOG? Various Ways to Find ERRORLOG Location. In this blog post we will learn about how to fix error 26023 TCP Port is Already in Use.
SQL SERVER – Errors When Disk Space is the Reason
In the past, I have written a number of blogs when it comes to working with errors pertinent to disk space running out. In this blog, I try to consolidate the common messages you are going to see in the Error logs when the database engine is not able to get the space that it needs from the disk subsystem. One of the common scenario’s where these are seen is while recovery operation (when SQL is restarted).
SQL SERVER – FIX Error – Cluster Network Name showing NETBIOS status as “The system cannot find the file specified”
Over a period, I have learned that fixing an issue is easier if we know which log we should look at and what we should search on google. Here is the situation which I was into few days back. In this blog post we will learn how to fix the error Cluster Network Name showing NETBIOS status as “The system cannot find the file specified”.
SQL SERVER – Fix Connection Error – [Microsoft][ODBC SQL Server Driver][DBNETLIB][ConnectionOpen(Connect())
As a part of my quick consultancy, I was contacted by a client who was having trouble where the application was not able to connect to SQL Server. We all joined the call and desktop sharing to learn more about the issue. We looked into the application and found that the SQL connection from the client application were constantly failing with the following connection error:
[Microsoft][ODBC SQL Server Driver][DBNETLIB][ConnectionOpen(Connect())
SQL SERVER – Error – Disallowing page allocations for database ‘DB’ due to insufficient memory in the resource pool
Keeping SQL Server up-to-date is something I recommend my customers from time to time. One of the tasks I undertake is to check the current SQL Server version information as soon as I get started to work. Though this recommendation looks trivial at the first look, this is often something people don’t take it seriously. Almost in every environment that I have done this exercise, I see them being behind on the Service pack updates majority of the times. Let us learn in this blog post how to fix the error- Disallowing page allocations for database ‘DB’ due to insufficient memory in the resource pool.
SQL SERVER – Rule “Windows Management Instrumentation (WMI) Service” failed
When I visit my client site for doing performance tuning consulting, I sometimes get trapped with some unrelated issue. Here is one of the situation where they were upgrading from SQL 2008 R2 to SQL 2014 on a two node cluster. During upgrade two rules were failing. In this blog post we will learn about how to fix when rule “Windows Management Instrumentation (WMI) Service” fails.
SQL SERVER – Database Mirroring Error -The Specified Network Name is No Longer Available
Have you ever seen a situation where SQL Server mirroring is impacted because of external factors? One of my customers reported several of the following errors in the SQL Server ERRORLOG SQL SERVER – Where is ERRORLOG? Various Ways to Find ERRORLOG Location. Let us learn about how to fix database mirroring error.