Windows Process Activation Service generalizes the Internet Information Services (IIS) process model, removing the dependency on HTTP. All the features of IIS that were previously available only to HTTP applications are now available to applications hosting Windows Communication Foundation (WCF) services, by using non-HTTP protocols. IIS 7.0 also uses Windows Process Activation Service for message-based activation over HTTP.
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As of August 2025, the mindshare of Windows Process Activation Services in the Application Infrastructure category
stands at 0.9%, down from 1.0% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Application Infrastructure Market Share Distribution
Product
Market Share (%)
Windows Process Activation Services
0.9%
Apache Web Server
11.3%
IBM WebSphere Application Server
11.2%
Other
76.6%
Application Infrastructure
Key learnings from peers
Valuable Features
"The most valuable aspect of the solution is the central console, that allows you to see all of the activated and deactivated computers."
Room for Improvement
"The stability of the solution needs improvement."
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Learn more about Windows Process Activation Services
Windows Process Activation Services customers
Bank Alfalah Ltd., Harris Farm Markets, The University of Texas at San Antonio (UTSA), Basingstoke and Deane Borough Council, John Keells Holdings, Green Prefab, 343 Industries, SM Prime, Delhi Integrated Multi-Modal Transit System Ltd.
