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Changelog
APRIL 2021 (7.0.42.0) 
Fixed
Protocols other than TDS could experience connection failures or hangs.
System crash possible during uninstall.
MARCH 2021 (7.0.37.0)
Added
Licenses with an expiration date will now attempt to auto-renew from the license portal before expiration.
JANUARY 2021 (7.0.33.0)
Fixed
Using the compression algorithm High Compression Ratio with Gigabit Decompressor could cause a system crash. Removed High Compression Ratio with Gigabit Decompressor algorithm.
DECEMBER 2020 (7.0.26.0)
Added
Gigabit compressor: a high-speed compression algorithm designed for modern processors.
Multiple Active Result Sets (MARS) Acceleration: demultiplexes the MARS protocol to achieve higher throughput.
Zero Latency Data Channel (Beta): a new acceleration technology that eliminates TCP latency.
.NET Remoting acceleration
SMB 3.0 acceleration
Fixed
Decryption would occasionally fail on clients.
NitroAccelerator 7.0 is not backwards compatible with previous versions.
NOVEMBER 2019 (6.7.10.0)
Fixed
System crash was possible when compressing Windows File Transfer connections.
Removed “partially optimized” status from Connections dialog.
MARCH 2019 (6.7.6.0)
Added
Installer now accepts LICENSE_USER and LICENSE_PASSWORD command line arguments to automatically retrieve a license during installation.
Added support for Windows File Transfer and SQL Server Named Pipes protocol.
The Connections dialog now displays MARS and Named Pipe connections as partially optimized.
Fixed
A bug in the Database Mirroring dialog could cause corruption of the port settings.
NOVEMBER 2018 (6.6.14.0)
Added
New compression levels and algorithms, allowing NitroAccelerator to be optimized for more environments.
Fixed
NitroAccelerator Console would occasionally show the error “Failed to create empty document” on startup.
In some cases, Nagle was not getting disabled on last packet.
DECEMBER 2017 (6.5.10.0)
Fixed
Opening Inbound/Outbound Connections dialog with an active, uncompressed SSAS connection could cause a server reboot.
SEPTEMBER 2017 (6.5.9.0)
Added
Inbound/Outbound Connections dialog has replaced the Diagnostic View, to give more insight into the connections being monitored and accelerated. Accelerated connections show as blue text.
Speed Test updated to run queries that don’t require any specific privileges on the SQL Server.
Speed Test updated to run the Nitro tests first, followed by the non-Nitro tests.
Console is now launched at the end of install.
Fixed
NitroAccelerator did not install on Windows 10 due to Microsoft’s driver signing requirements.
HyperCache could cause errors for queries referencing OBJECT_ID.
NitroAccelerator 6.6 is not backwards compatible with previous versions.
JUNE 2017 (6.0.32.0)
Added
HyperCache Blacklist Feature - Added ability to specify SQL objects or whole queries that will not be considered for caching.
Fixed
System crash possible in certain environments where SQL Server makes non-TDS connections (such as non-SQL Server linked servers).
APRIL 2017 (6.0.28.0)
Added
Registry setting to specify packet size under which NitroAccelerator will not attempt to compress the data.
Fixed
Error in linked server connection to OLE DB data source other than SQL Server.
Intermittent error in applications using the Multiple Active Result Sets (MARS) connection option.
MARS Acceleration enabled by default.
Speed Test changed to connect to new hosted SQL Server.
DECEMBER 2016 (6.0.18.0)
Fixed
Intermittent server reboot with HyperCache feature enabled.
Importing data into SQL Server from a file using the Import/Export Wizard in
SSMS would cause an error with HyperCache enabled.
NOVEMBER 2016 (6.0.12.0)
Added
MARS Acceleration significantly improves the performance of connections that use the Multiple Active Result Sets (MARS) connection option. 
This feature is not compatible with older versions of NitroAccelerator. If your application is using MARS, you must upgrade all servers and clients to this release.
Additional HyperCache settings and statistics have been added, allowing the user to optimize the cache for each environment.
When NitroAccelerator is stopped, existing connections will no longer be compressed. These connections will still be going through Nitro, but without compression, so we still recommend an application restart after you start or stop NitroAccelerator to establish new connections.
Fixed
Hang during failover of clustered SQL Server instance.
Intermittent server reboot with HyperCache feature enabled.
AUGUST 2016 (5.0.87.0)
Fixed
HyperCache code performance optimizations.
JULY 2016 (5.0.83.0)
Fixed
Console title bar would only show correct status of trial license when running as administrator.
HyperCache bug would prevent queries from being added to cache, which resulted in no performance gain with HyperCache enabled.
JUNE 2016 (5.0.80.0)
Added
NitroAccelerator Console no longer requires administrative privileges to run. Instead, admin privileges are only required to Start or Stop NitroAccelerator, or change encryption settings.
Fixed
Potential for memory corruption on Windows 2008 systems sending uncompressible data.
Under high pressure, HyperCache updates from the server could get dropped, resulting in a stale cache.
With encryption enabled, applications could hang when making either linked server or MARS-enabled connections.
This fix will affect backwards compatibility in some cases. If you have encryption enabled, we recommend that you upgrade all systems to this build.
MAY 2016 (5.0.76.0)
Fixed
Under high pressure, HyperCache could potentially return the wrong result.
APRIL 2016 (5.0.75.0)
Added
Demo Application added to provide a baseline for the impact NitroAccelerator can achieve in a specific environment.
Fixed
Intermittent server reboot during SSIS package execution.
Small memory leak during uninstall of NitroAccelerator.
Increased HyperCache warmup period to reduce risk of false match.
MARCH 2016 (5.0.70.0)
Added
Support for Windows 2008 and Vista.
Fixed
Intermittent server reboot during uninstall of NitroAccelerator.
FEBRUARY 2016 (5.0.64.0)
Added
Automatic licensing added to console, so licenses can now be retrieved or released from the Licensing dialog.
Fixed
Console would not always start automatically when user logged into Windows.
JANURARY 2016 (5.0.60.0)
Added
High performance Windows Filter Platform driver has replaced legacy TDI driver.
Adaptive packet compression dynamically adjusts TCP packet size based on the data.
HyperCache technology provides substantial performance benefits by minimizing the transfer of data between endpoints.
Intelligent protocol detection enables compression of non-native TDS implementations including Java applications.
Client dll has been removed and client traffic is now monitored by the driver.
Redesigned console.
Support for Windows 2003, XP, 2008, and Vista has been dropped. NitroAccelerator 3.0 should be used instead on those systems.
Fixed
Intermittent server reboot caused by NitroAccelerator driver.
Connection errors or hangs related to using the Multiple Active Result Sets (MARS) connection option.
Client applications were not supported on Windows 8 and 10 systems with Secure Boot enabled.
DECEMBER 2016 (5.5.39.0)
Fixed
Linked server connection to OLE DB data source other than SQL Server could cause a system crash.
NOVEMBER 2016 (5.5.36.0)
Fixed
Under high pressure, retrieving data from SSAS could result in an error.
Disabling SSAS acceleration on one end of the connection would cause an error in the OLAP client.
AUGUST 2016 (5.5.35.0)
Added
Support for SQL Server Analysis Services (SSAS) has been added.
HyperCache Settings dialog now shows caching statistics.
A new Professional license type has been added for SSAS support.
Demo Application has been renamed to Speed Test, and can now be launched from the console.
Fixed
Column headers were incorrect in stats log file.
Speed Test could not connect to hosted Nitrosphere server.
Speed Test would fail with incorrect error when SSL encryption was enabled for SQL Server.
Installer would fail if Microsoft Visual C++ 2008 Redistributable was not already installed on the system.
Diagnostics dialog did not work properly unless the console was running as administrator.
License Retrieve/Release buttons did not work when the system had an expired license.
A restart of the NitroAccelerator Watch service was required before a new license key could be used.
Last modified 7mo ago