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Either the server is not working properly, or credentials are not available to manage and monitor it

April 5, 2017

Web Application Proxy is installed and configured on multiple servers in an NLB cluster

When attempting to view the Operations Status of a remote WAP Server from the other in Remote Access Management Console, the following warning is displayed in the Details pane:


Either the server is not working properly, or credentials are not available to manage and monitor it

Open Windows PowerShell as Administrator on all WAP Servers and run the following command:

Enable-PSRemoting –force

Now run the following Windows PowerShell command to list all TrustedHosts:

Get-Item WSMan:\localhost\Client\TrustedHosts

Each WAP Server should list all other WAP Servers as TrustedHosts. In my example, ADFSWAP01 does not list ADFSWAP02, and vice-versa.

Run the following Windows PowerShell command on ADFSWAP01 to add ADFSWAP02 as a TrustedHost:

Set-Item WSMan:\localhost\Client\TrustedHosts -Value 'adfswap02' -Concatenate

The -Concatenate parameter appends to the existing list of TrustedHosts rather than replacing it.

Repeat on ADFSWAP02 and all remaining WAP Servers, modifying the TrustedHosts parameter accordingly:

Set-Item WSMan:\localhost\Client\TrustedHosts -Value 'adfswap01' -Concatenate

Confirm the changes have been applied:

Get-Item WSMan:\localhost\Client\TrustedHosts

If you make a mistake, or want to remove your changes, then use the following command to Null the list of TrustedHosts:

Set-Item WSMan:\localhost\Client\TrustedHosts -Value ''

Refresh Operations Status in Remote Access Management Console and hopefully all is now well. You may need to close and reopen Remote Access Management Console if a refresh doesn’t work:

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