Viewing 5 posts - 1 through 4 (of 4 total) Implementation Before patching change window starts we have to perform below steps : 1. Log Onto the Standalone SQL Windows box. 2. Check for Missing msi and msp files . If there are any missing of msi\msp files found then please go through below links and find how to fix
4. And Make sure that above steps are completed successfully. 5. During maintenance Window perform below steps :· Keep the SQL Database servers into maintenance mode· Run the patch executable· Make sure all rules have passed. If not take necessary actions to pass the rules· In the next wizard ,Accept the license terms and click proceed· In next wizard, Select all the SQL server features which needs to be Upgraded· In next wizard, Files in use will be checked – once checking completes click next. In next wizard, just go through the list of features and click Upgrade· We need to wait until it completes and make sure the patch is successfully applied. See the Summary. txt error log located at C:\Program Files\Microsoft SQL Server\100\Setup Bootstrap\Log and check the detail logs for troubleshooting if failure happens 6. Reboot SQL window box if required 7. Perform SQL Health check 8. Once above steps are completed successfully you can remove the SQL Box from MM(Maintenance Mode). 9. Validate in the Monitoring Tool ( if you have any ) to make sure the
corresponding Patched Instances are being correctly monitored.
Back-Out Plan :
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Upgrade or patch replicated databases
In this articleApplies to: SQL Server (all supported versions) - Windows only SQL Server supports upgrading replicated databases from previous versions of SQL Server; it is not required to stop activity at other nodes while a node is being upgraded. Ensure that you adhere to the rules regarding which versions are supported in a topology:
The upgrade path to SQL Server is different depending on the deployment pattern. SQL Server offers two upgrade paths in general:
A common approach that has been adopted for side-by-side upgrades of replication topologies is to move publisher-subscriber pairs in parts to the new side-by-side environment as opposed to a movement of the entire topology. This phased approach helps control downtime and minimize the impact to a certain extent for the business dependent on replication. The majority of this article is scoped towards upgrading the version of SQL Server. However, the in-place upgrade process should also be used when patching SQL Server with a service pack or cumulative update as well. Warning Upgrading a replication topology is a multi-step process. We recommend attempting an upgrade of a replica of your replication topology in a test environment before running the upgrade on the actual production environment. This will help iron out any operational documentation that is required for handling the upgrade smoothly without incurring expensive and long downtimes during the actual upgrade process. We have seen customers reduce downtime significantly with the use of Always On Availability Groups and/or SQL Server Failover Cluster Instances for their production environments while upgrading their replication topology. Additionally, we recommend taking backups of all the databases including MSDB, Master, Distribution database(s) and the user databases participating in replication before attempting the upgrade. When you have a distribution database in a failover cluster instance, make sure that all participating nodes use the same build. We don't recommend a setup in which one node is a SQL Server version earlier than SQL Server 2016 SP2-CU3 or SQL Server 2017 CU6 and the other node is a SQL Server version later than SQL Server 2016 SP2-CU3 or SQL Server 2017 CU6. Beginning in SQL Server 2016 SP2-CU3 and SQL Server 2017 CU6, support is added for using a distribution database in an Always On Availability Group and for new objects (tables, stored procedures) in distribution databases. If your distribution database is in a failover cluster instance and you're doing a phased migration (and you can't upgrade all nodes to the same version of SQL Server), for the narrow migration timeframe, we recommend that you do account tasks like adding a new subscriber, subscription, publisher, or publication on the node that has the later version of SQL Server. Replication MatrixTransactional and snapshot replication compatibility matrix
Merge replication compatibility matrix
Run the Log Reader Agent for Transactional Replication Before UpgradeBefore you upgrade SQL Server, you must make sure that all committed transactions from published tables have been processed by the Log Reader Agent. To make sure that all transactions have been processed, perform the following steps for each database that contains transactional publications:
Run Agents for Merge Replication After UpgradeAfter upgrade, run the Snapshot Agent for each merge publication and the Merge Agent for each subscription to update replication metadata. You do not have to apply the new snapshot, because it is not necessary to reinitialize subscriptions. Subscription metadata is updated the first time the Merge Agent is run after upgrade. This means that the subscription database can remain online and active during the Publisher upgrade. Merge replication stores publication and subscription metadata in a number of system tables in the publication and subscription databases. Running the Snapshot Agent updates publication metadata and running the Merge Agent updates subscription metadata. It is only required to generate a publication snapshot. If a merge publication uses parameterized filters, each partition also has a snapshot. It is not necessary to update these partitioned snapshots. Run the agents from SQL Server Management Studio, Replication Monitor, or from the command line. For more information about running the Snapshot Agent, see the following articles:
For more information about running the Merge Agent, see the following articles:
After upgrading SQL Server in a topology that uses merge replication, change the publication compatibility level of any publications if you want to use new features. Upgrading to Standard, Workgroup, or Express EditionsBefore upgrading from one edition of SQL Server to another, verify that the functionality you are currently using is supported in the edition to which you are upgrading. For more information, see the section on Replication in Editions and supported features of SQL Server. Steps to upgrade a replication topologyThese steps outline the order in which servers in a replication topology should be upgraded. The same steps apply whether you're running transactional or merge replication. However, these steps do not cover Peer-to-Peer replication, queued updating subscriptions, nor immediate updating subscriptions. In-place upgrade
Note For SQL 2008 and 2008 R2, the upgrade of the publisher and subscriber must be done at the same time to align with the replication topology matrix. A SQL 2008 or 2008R2 publisher or subscriber cannot have a SQL 2016 (or greater) publisher nor subscriber. If upgrading at the same time is not possible, use an intermediate upgrade to upgrade the SQL instances to SQL 2014, and then upgrade them again to SQL 2016 (or greater). Side by side upgrade
Steps for side-by-side migration of the Distributor to Windows Server 2012 R2If you are planning to upgrade your SQL Server instance to SQL Server 2016 (or greater), and your current OS is Windows 2008 (or 2008 R2), then you will need to perform a side-by-side upgrade of the OS to Windows Server R2 or greater. The reason for this intermediate OS upgrade is that SQL Server 2016 cannot be installed on a Windows Server 2008/2008 R2, and Windows Server 2008/20008 R2 does not allow in-place upgrades directly to Windows Server 2016. While it's possible to perform an in-place upgrade from Windows Server 2008/2008 R2 to Windows Server 2012, and then to Windows Server 2016, doing so is generally not recommended due the downtime and added complexity preventing an easy roll-back path. A side-by-side upgrade is the only upgrade path available for SQL Server instances participating in a failover cluster. The following steps can be performed on either a standalone SQL Server instance, or one within an Always On Failover Cluster Instance (FCI).
Note To reduce downtime, we recommend that you perform the side-by-side migration of the distributor as one activity and the in-place upgrade to SQL Server 2016 as another activity. This will allow you to take a phased approach, reduce risk and minimize downtime. Web Synchronization for Merge ReplicationThe Web synchronization option for merge replication requires that the SQL Server Replication Listener (replisapi.dll) be copied to the virtual directory on the Internet Information Services (IIS) server used for synchronization. When you configure Web synchronization, the file is copied to the virtual directory by the Configure Web Synchronization Wizard. If you upgrade the SQL Server components installed on the IIS server, you must manually copy replisapi.dll from the COM directory to the virtual directory on the IIS server. For more information about configuring Web synchronization, see Configure Web Synchronization. Restoring a Replicated Database from an Earlier VersionTo ensure replication settings are retained when restoring a backup of a replicated database from a previous version: restore to a server and database with the same names as the server and database at which the backup was taken. See AlsoSQL Server
Replication FeedbackSubmit and view feedback for What is SQL patch in SQL Server?What Is SQL Server Patching? SQL Server patching is the act of running an installation program from Microsoft to install an updated build of SQL Server on an existing SQL Server instance. This could be in the form of a Service Pack (SP), a Cumulative Update (CU), or a General Distribution Release (GDR).
Why does SQL Server need patching?If you don't patch your SQL Servers – critical fixes to known issues will be missed by your organization. You'll miss security updates and patches to keep you compliant and protect your data.
Does Windows Update patch SQL Server?Security and Critical updates for SQL Server are available through Microsoft Update, and to be able to see these updates you need to opt-into MU through the Windows Update applet in Control panel.
Are SQL Server patches cumulative?No, Security updates are NOT cumulative.
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