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If you encounter issues during or after the installation, the following topics may help you solve them:
Kentico performs most operations without writing to the disk. However, there are situations when the web application needs to access the disk, such as:
If you receive an error message stating that the web application cannot write to the disk, you need to:
For applications hosted in IIS, the user account is based on the used application pool. You can find the user account name in one of the following locations:
The encountered error/information message.
The Kentico administration interface, in the System application under ASP.NET account.
In IIS Manager, under the Application Pools section. Determine the user account according to the value in the Identity column:
Application pool identity | User account name |
|---|---|
Local Service | Service |
LocalSystem | System |
NetworkService | Network Service |
ApplicationPoolIdentity | IIS AppPool\<app pool name> |
If you are using Visual Studio's built-in web server, the application runs under your Windows user account.
If you encounter problems when connecting to the SQL server database during the installation or at a later point, make sure that:
If the connection fails with the "Login failed for user 'username'." error message, check the following troubleshooting sections, depending on the used authentication type.
If you are using an SQL Server account with a password to authenticate against the database, make sure that:
To resolve problems with database connections that utilize Windows authentication, you may need to contact your network administrator. The Kentico application runs under a specific local or domain account, depending on your environment (for example NetworkService).
When running the application on IIS, the account depends on the Identity of the assigned application pool. If your SQL server is located on a different machine than your web server, you may need to configure the application pool to run under a domain account rather than a local account.
The account must have its own login created on the SQL server, configured for Windows authentication and with the appropriate permissions. You can manage the logins using SQL Server Management Studio, in the Server -> Security -> Logins section of the Object Explorer.
In the default IIS configuration, the application pool in which applications run stops the worker process after a 20-minute period of inactivity. This behavior causes the Kentico Event log to log warnings with the following message: HostingEnvironment initiated shutdown
This shutdown period is determined by the Idle time-out setting in the application pool's advanced settings. To change or disable the time-out period:
Open IIS Manager and select Application Pools in the Connections tree.
Click the application pool in which your Kentico site runs and click Advanced Settings.
In the Process Model section, locate the Idle Time-out setting and change its value.
Click OK to save the settings.
If you set the Idle time-out setting to a non-zero value, IIS stops your application if the application does not receive any requests in the specified time period. If you set the value to zero or enable AlwaysRunning mode, the application will run without shutting down even if it is idle.