APAR status
Closed as program error.
Error description
TOOLKIT UNABLE TO CONNECT WHEN USING WEB ADMIN WITH TLSV1.3
Local fix
NA
Problem summary
**************************************************************** USERS AFFECTED: All users of IBM Integration Bus V10.1 Platforms affected: LinuxX64, WinX64 **************************************************************** PROBLEM DESCRIPTION: A Toolkit connection to an integration node that is configured to use TLS 1.3 will fail with the following error. "Could not establish remote connection to target integration node (hostname:port) as user 'null'. An SSL/TLS exception occurred: Received fatal alert: protocol_version"
Problem conclusion
A Toolkit connection to an integration node that has been configured with TLS 1.3 will now correctly connect. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v10.1 10.1.0.6 The latest available maintenance can be obtained from: http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041 If the maintenance level is not yet available,information on its planned availability can be found on: http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT45452
Reported component name
INTEGRATION BUS
Reported component ID
5724J0540
Reported release
A00
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2024-02-09
Closed date
2025-10-14
Last modified date
2025-10-14
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
INTEGRATION BUS
Fixed component ID
5724J0540
Applicable component levels
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSNQK6","label":"IBM Integration Bus"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.0","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
Document Information
Modified date:
14 October 2025