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Title
iOS and Android devices cannot connect to Server 2012 or Windows 8 applications or desktops -
Description
When launching published Server 2012 or Windows 8 apps from tablets - users may encounter the following error:
"Could not establish a connection to the server servername. Please try again".
Connecting from Windows machines works normally.
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Cause
The vWorkspace connectors for iOS, Mac and Android do not support NLA.
NLA is enabled by default on the Server 2012
This is currently listed as a documentation defect 293231.
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Resolution
Disable NLA on RDSH server or VDI:
- Open Server Manager, go to "Local Server".
- Click on the "Remote Desktop" link.
- Uncheck "Allow connections only from computers running Remote desktop with network level authentication".
- Click Apply/Ok to apply and save the changes.
Note: For an external connection using the Secure Access Gateway, also verify that the "Enable RDP over SSL/TLS setting is properly configured under the Connector Configuration Properties > Firewall / Proxy Traversal section of the connector currently assigned to the user.
If the above does not work, see workaround 2 in KB ID 63874
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Defect ID
293231