I was able to 'fix' the issue on every laptop that had the issue which is basically most of them, removed DefaultHostName from preferences.xml, set file to read-only, client loads each time but you have to enter the hostname. Does anyone know how you can pass the hostname to the program without using the preferences.xml until Cisco one day fixes this severe bug?
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With your inspiration I was able to diagnose the bug further:
When this line appears with any target host in preferences.xml, the AnyConnect client won't open:
<DefaultHostName>hostaddress</DefaultHostName>
However, any of the following lines are fine, they will not create the issue:
<AnyConnectPreferences> <DefaultUser>username</DefaultUser> <ClientCertificateThumbprint></ClientCertificateThumbprint> <DefaultGroup>AnyConnect</DefaultGroup> <ControllablePreferences> <AutoConnectOnStart>true</AutoConnectOnStart> <LocalLanAccess>true</LocalLanAccess> <BlockUntrustedServers>false</BlockUntrustedServers></ControllablePreferences> </AnyConnectPreferences>
So far my workaround is to delete the DefaultHostName, set the file to read-only, and then have the users punch in the host name. Inconvenient but at least it's working for now.
Edit: If you don't set the file to read-only, the AnyConnect program will save over with the DefaultHostName so basically it breaks itself with this bug.
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On one hand I'm so glad you posted this as I've found a way to get the AnyConnect client to work. On the other hand this isn't at all a solution for the users in the field that need to connect. This is also happening on Windows 7 SP1, on PCs that haven't been updated since 2016 to PCs with the latest updates. Cisco AnyConnect 4.6.02074 has this bug. Cisco AnyConnect 4.6.03049 has this bug. Does anyone have a solution!?
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Thanks for posting this, it's driving us crazy here as well. Experiencing it with an older 4.6.02074 as well, so your post suggests an upgrade probably won't fix it.
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