Upgrade to v2020.01.15

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SMS & MMS Technical Forum » NowSMS Support - SMS Issues (Product Support Only) » Upgrade to v2020.01.15 « Previous || Next »
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Mathew Mathachan
Frequent Contributor
Username: Mathewm

Post Number: 143
Registered: 04-2011
Posted on Thursday, August 06, 2020 - 07:56 am:   


Have you published any notes on upgrade to v2020 from older versions?

Any license impact? If so, how do we do it without impacting the service?

Any notes if SSL/TLS has been enabled?

Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 8352
Registered: 10-2002
Posted on Monday, August 10, 2020 - 01:53 pm:   

Hi Mathew,

Information about changes can be found at https://www.nowsms.com/download/changes.txt (This document also describes some further updates that have not yet been widely released, but are available on request.

Upgrading is usually simple. Your NowSMS license has a maintenance expiry date. This allows you to update to any release with a version date before that expiry date.

If you purchase an upgrade, a new license is issued with an updated maintenance expiry date, which will allow the update to be installed.

When you run the install for the new version, if the license needs to be updated, it will prompt you like this:

If you are not prompted for a new license code as part of this update process, apply it from the "Serial #" page after installation.

The most important thing to remember is: Do not apply the new license code until you install the new version.

The biggest potential issue with upgrading is a bug in older versions of NowSMS which can be confused by newer license codes and cause performance problems. For this reason, we recommend not using one of these newer license codes with older versions of NowSMS.

A second important thing to remember is never uninstall unless you are removing NowSMS completely from the computer. The installer program is designed to update the existing installation.

What if an unexpected issue requires you to rollback to a previous version? It is possible to use an installer for a previous version to downgrade to that version. However, some older versions of NowSMS will exhibit performance problems when used with a newer license, so it may be necessary in his case to remove your new license and reapply the old license.

Note: If you no longer have your old license, it is possible to back it up before applying a new one. The license code is saved in a file named SERIAL.INI, which is normally a hidden file. This file is located in the same directory as SMSGW.INI (normally under "Program Files", but for some older installs it may be under ""ProgramData", which is often a hidden directory).


Bryce Norwood
NowSMS Support

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