Microsoft Agent 1.6

Microsoft Agent 1.6

Name	Microsoft Agent 1.6
Developer(s)	Microsoft
Written in	C++
Operating system	Microsoft Windows
Discontinued?	Yes

Microsoft Agent 1.6 is a beta release of Microsoft Agent. The only evidence of this build existing include mentions of it inside of Microsoft Agent 1.7 and Microsoft Agent 2.0. It is unknown if this build was leaked to developers or kept internally inside of Microsoft.

Registry entry

The following is an excerpt of the Registry data from Microsoft Agent 1.7 mentioning Microsoft Agent 1.6:

REGISTRY 109 : 1033 in AgentSvr.exe 1.7.1027

HKCR
{
	Agent.Server.1 = s 'Microsoft Agent Server 1.6'
	{
		CLSID = s '{A7B93C92-7B81-11D0-AC5F-00C04FD97575}'
	}
	Agent.Server = s 'Microsoft Agent Server 1.6'
	{
		CurVer = s 'Agent.Server.1'
	}
	NoRemove CLSID
	{
		ForceRemove {A7B93C92-7B81-11D0-AC5F-00C04FD97575} = s 'Microsoft Agent Server 1.6'
...

Changes

It is speculated that Microsoft Agent 1.6 was a major change to Microsoft Agent 1.5 due to mentions of it throughout 1.7 and early builds of 2.0. These changes may have changed the Microsoft Agent API drastically as Microsoft Agent 1.5 and 2.0 characters could not run on Microsoft Agent 1.7, the closest version to Microsoft Agent 1.6.

Trivia

• This version of Microsoft Agent is still currently lost as of 2026.
• No screenshots exist of this Microsoft Agent version.
• This version brought major changes to the Microsoft Agent API.