PK07737 is a cumulative APAR fix and includes the following fixes:
PQ29813 - cs2tcr00 Traps If There Is Not Enough Space in the CB Pool.
PQ32736 - TCP/IP REM Performance Problem on DAE/NT.
PQ40287 - cs2tcr00 Traps When Sending Messages To Inactive Remote Node.
PQ43571 - DBGTRC Needed for TCP/IP REM on NT.
PQ48022 - TCP/IP REM Connection Reuse Problems.
PQ53958 - CS2TCR00 Will Not Stop During Its Initialization.
PQ60959 - CS2TCR00's CACB Does Not Send Initialization Complete Resp.
PQ67243 - Allow Sending > 64K (w/out DT Templates) To Unlike Platforms (NT/AIX, NO OS/2).
PQ70880 - CS2TCR00 Traps Ending IO Thread With Null RWA Pointer.
PQ71831 - Over-sized CS2_SEND Messages Hang TCP/IP.
PQ79287 - Netbios Sends Oversized Message Resulting In CSR1011 (TCP/IP also).
PQ82219 - CS2TCR00 Traps Processing Error on NT.
PQ93324 - TCP/IP Leaks CCBSTOPPED Msgs In Message Pool.
* PK07737 - CS2TCR00 Not Recognizing New Message If Prior Msg Not Completed.
* New in this cumulative APAR fix.