Symptoms
The Microsoft Service for DRDA (DRDA Service) does not establish connections with in-bound IBM Java clients for DB2.
Cause
The DRDA Service returns an incorrect DRDA PRDID (Product Identifier) that is outside the range of supported values that is unrecognized by IBM Java clients for DB2.
Resolution
This issue is fixed in Cumulative Update 2 for Host Integration Server 2016.
After Cumulative Update 2 is installed, the DRDA Service returns a correct DRDA PRIDID "SQL11000" that is compatible with IBM Java Clients for DB2.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology Microsoft uses to describe software updates.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.