During NSSetup, in the Database setup section, after clicking Next, an small yellow error icon appears and the page stays on loading. If I click in the yellow icon, the following message appears:
Unknown. Apparently having .NET 2.0 installed is causing some conflicts with loading some pages during NSSetup.
In order to fix this issue, you will need to register .NET 1.1.4322 in your system. Here are the steps to follow:
Reset ASP.NET settings
Note: Resetting the ASP.NET settings is quick and won't adversely affect your Notification Server. It often helps correct authentication problems in the Notification Server.
Then the application is finished; test to see if it fixed the installation problem.
If the problem still persists (if you have IIS 6.0):
Note: There are cases where in addition to the fix provided in this article, you will need to edit HKLM\Software\Microsoft\ASP.NET\RootVer to read "1.1.4322" before the InstallHelper would let you continue.
Notification Server 6.0.6074