Fix Remote desktop Frozen issue

During this unprecedented time, the requirement for remote working is higher than ever before. More and more people may come across issue with RDP. Today, let's have a look at one issue which is related to the RemoteFX.

Symptom

Remote desktop connection freezes from time to time when connected remotely via VPN, local LAN connection is OK.

Check the Event viewer log:

General:
'Failed GetConnectionProperty' in CUMRDPConnection::QueryProperty at 2884 err=[0x80004001]

Detail:

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-RemoteDesktopServices-RdpCoreTS" Guid="{1139c61b-b549-4251-8ed3-27250a1edec8}" /> 
<EventID>227</EventID> 
<Version>0</Version> 
<Level>2</Level> 
<Task>4</Task> 
<Opcode>19</Opcode> 
<Keywords>0x4000000000000000</Keywords> 
<TimeCreated SystemTime="2020-05-15T00:09:09.681718500Z" /> 
<EventRecordID>118408</EventRecordID> 
<Correlation ActivityID="{f42094f7-67b0-4c61-9399-038269af0000}" /> 
<Execution ProcessID="680" ThreadID="4172" /> 
<Channel>Microsoft-Windows-RemoteDesktopServices-RdpCoreTS/Operational</Channel> 
<Computer>8462DC01.xxx.com.</Computer> 
<Security UserID="S-1-5-20" /> 
</System>
- <EventData>
<Data Name="Name">CUMRDPConnection</Data> 
<Data Name="Value">2147500033</Data> 
<Data Name="CustomLevel">'Failed GetConnectionProperty' in CUMRDPConnection::QueryProperty at 2884 err=[0x80004001]</Data> 
</EventData>
</Event>

The error on getting connection property:

'Failed GetConnectionProperty' in CUMRDPConnection::QueryProperty at 2884 err=[0x80004001]

Event ID 227

 <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-RemoteDesktopServices-RdpCoreTS" Guid="{1139c61b-b549-4251-8ed3-27250a1edec8}" />
<EventID>227</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>4</Task>
<Opcode>19</Opcode>
<Keywords>0x4000000000000000</Keywords>
<TimeCreated SystemTime="2020-05-14T23:48:04.621921700Z" />
<EventRecordID>118283</EventRecordID>
<Correlation ActivityID="{f4628003-fd4f-42ce-b64a-ce8c67f20000}" />
<Execution ProcessID="680" ThreadID="10060" />
<Channel>Microsoft-Windows-RemoteDesktopServices-RdpCoreTS/Operational</Channel>
<Computer>8462DC01.xxx.com.</Computer>
<Security UserID="S-1-5-20" />
</System>

- <EventData>
<Data Name="Name">CUMRDPConnection</Data>
<Data Name="Value">2147500033</Data>
<Data Name="CustomLevel">'Failed GetConnectionProperty' in
CUMRDPConnection::QueryProperty at 2884 err=[0x80004001]</Data>
</EventData>
 </Event>

'Failed CreateVirtualChannel call on this Connections Stack' in CUMRDPConnection::CreateVirtualChannel at 2498 err=[0x80004005]

- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-RemoteDesktopServices-RdpCoreTS" Guid="{1139c61b-b549-4251-8ed3-27250a1edec8}" />
<EventID>227</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>4</Task>
<Opcode>19</Opcode>
<Keywords>0x4000000000000000</Keywords>
<TimeCreated SystemTime="2020-05-14T23:48:14.496602200Z" />
<EventRecordID>118284</EventRecordID>
<Correlation ActivityID="{f420db28-d33c-4c35-a072-bebfe0820000}" />
<Execution ProcessID="680" ThreadID="9516" />
<Channel>Microsoft-Windows-RemoteDesktopServices-RdpCoreTS/Operational</Channel>
<Computer>8462DC01.xxx.com.</Computer>
<Security UserID="S-1-5-20" />
</System>

- <EventData>
<Data Name="Name">CUMRDPConnection</Data>
<Data Name="Value">2147500037</Data>
<Data Name="CustomLevel">'Failed CreateVirtualChannel call on this Connections Stack' in CUMRDPConnection::CreateVirtualChannel at 2498 err=[0x80004005]</Data>
</EventData>
 </Event>