Overview
Old solution implemented as a part of POA Hosted Exchange module for filtering Autodiscover output via Autodiscover Proxy now have several limitations.The main problems arise from the fact that some Exchange clients do not support redirection to the non-standard Autodiscover URL. To replace Autodiscover Proxy functionality, a new Autodiscover Filter module for IIS is implemented. This module catches requests to native Exchange Autodiscover and changes Autodiscover output.
Disable Autodiscover Proxy
Autodiscover Proxy (redirect to AutodiscoverProxy virtual directory) on POA 5.5/6.0 installations upgraded from POA 5.4should be manually disabled by adding a new element with the key "AutodiscoverVDirName" and value "Autodiscover" in "appSettings" section of Autodiscover Redirect web configuration file (on all CAS servers):{POA_AGENT_INSTALL_DIR}\WebSites\AutodiscoverRedirect\Autodiscover\Web.config
Install Autodiscover Filter
In POA 5.5/6.0, Autodiscover Filter module can be installed manually with the help of the following instruction:
- Download the attached POAAutodiscoverFilter.zip archive to the Exchange CAS server.
- Extract the archive content to any local directory.
- Open the PowerShell console.
- Change the current directory to the directory POAAutodiscoverFilter extracted from the archive.
- Execute scriptInstallPOAAutodiscoverFilter.ps1.
- Repeat the above steps on all Exchange CAS nodes.
Uninstall Autodiscover Filter
Autodiscover Filter can be manually uninstalled with the help of the following instruction:
- Download the attached POAAutodiscoverFilter.zip archive to the Exchange CAS server.
- Extract the archive content to any local directory.
- Open the PowerShell console.
- Change the current directory to the directory POAAutodiscoverFilter extracted from the archive.
- Execute script UninstallPOAAutodiscoverFilter.ps1.
- Repeat the above steps on all Exchange CAS nodes.