Possible Cause
The database user does not have owner rights for the database.
Solution
- In the Microsoft SQL Server Management Studio, log into your database server.
- Go to .
- Right-click the database associated with your DNN installation, and choose Properties.
- In the User Mapping section, set the role for the DNN database user as db_owner.
Possible Cause
The IIS bindings do not match the correct portal alias.
Possible Cause
Incorrect connectionString entry in the web.config file.
Solution
- Go to the web.config file on the root folder of the installation.
- Revise the entries for the connection string, specifically
Server Name, User, and Password.
Possible Cause
The Application Pool Identity account does not have modify rights for the DNN Installation folder.
Solution
- Using Windows Explorer, go to your site folder and right-click on the DNN installation folder.
- Choose Properties, and go to the Security tab.
- Click/Tap Edit….
- Click/Tap Add….
- Select the correct location for the user.
- Set the object name to IIS AppPool\<AppPoolName>, where <AppPoolName> is the Application Pool Identity account name.
- Click/Tap Check Names.
- Click/Tap OK, then Apply.
Priyanka Bhotika
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