# Troubleshooting

The following checklist will ensure a comprehensive review is conducted across your Qommentary environment to validate that all dependencies are installed and running:

#### Server checklist

* [ ] Are the Qommentary required ports opened?
* [ ] Are all Qommentary components application pool identities in IIS running?
* [ ] Do the Qommentary components in IIS have a valid SSL certificate binded?
* [ ] Is WebDav Publishing in IIS disabled?
* [ ] Is the QlikClient certificate installed under the LOCAL\_COMPUTER personal certificate store?
* [ ] Is the recommended version of .NET Hosting Bundle + Runtime installed?

#### Qlik Sense (QMC) checklist

* [ ] Are the Qommentary endpoints whitelisted under the virtual proxy host list?
* [ ] Do all Qommentary Extensions displayed in the Dev Hub have valid endpoints in the config?

#### Qommentary checklist

* [ ] Is the Qommentary database setup in PostgreSQL?
* [ ] Are there any errors in the logs under [C:\ProgramData\Qommentary\Log\Trace](https://c/ProgramData/Qommentary/Log/Trace) ?
* [ ] Are there any browser errors (F12) when accessing the Qommentary Manager on [https://\<qommentary-hostname>:5006](https://qommentary:5004/api) ?
* [ ] Do you see a JSON response when accessing the Qommentary Engine on [https://\<qommentary-hostname>:5004/api](https://qommentary:5004/api) ?