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DB2 - Problem description

Problem IC61844 Status: Closed

CONNECTION ATTEMPT MAY EXPERIENCE LONG WAIT ON WINDOWS

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
A connection attempt may experience long wait (several minutes) 
due to a problem in DB2 licensing module.  This is Windows 
specific problem and can happen if an user is part of many 
Windows groups (100+). 
 
A db2 trace of the problem shows delay in NetlsRequestLicense() 
function: 
 
9037  23:691117161 | | | | | | | | | | | LicInitializeNetls exit 
9038 878:181017199 | | | | | | | | | | NetlsRequestLicense exit
Problem Summary:
USERS AFFECTED: 
All users running on Windows platform. 
 
PROBLEM DESCRIPTION: 
A connection attempt may experience long wait (several minutes) 
if the connecting user is part of many Windows groups (100+). 
 
PROBLEM SUMMARY: 
As above.
Local Fix:
Decrease number of groups where the user attempting the connect 
belongs to.
available fix packs:
DB2 Version 9.5 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
First fixed in DB2 UDB Version 9.5, FixPak 5 (s091123).
Workaround
Decrease number of groups where the user attempting the connect 
belongs to.
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
06.07.2009
16.12.2009
16.12.2009
Problem solved at the following versions (IBM BugInfos)
9.5.
Problem solved according to the fixlist(s) of the following version(s)
9.5.0.5 FixList