Symptoms
The following error is observed when trying to launch published items from HTML5 portal that leverages SAML:
![](https://kb.parallels.com/Attachments/kcs-176762/image-20201030003300-1.png)
Cause
Local GPO for NLAUser is not configured on RDSH.
Resolution
1. Configure in local policies for each RDSH server:
Deny logon through Remote Desktop Services > add NLAUser:
![](https://kb.parallels.com/Attachments/kcs-174935/image-20200611195812-2.png)
Allow logon through Remote Desktop Services > add Domain Users or other specific groups:
![](https://kb.parallels.com/Attachments/kcs-174935/image-20200611200740-3.png)
2. Run gpupdate command.
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