A fix is available
APAR status
Closed as program error.
Error description
When connecting IBM DEVELOPER FOR Z/OS 17.0.3 using MFA (token with passphrase and separator ;) a message error occurs in the client login: RSEG1242 'Failed to launch server on HOSTSYA using daemon running on port 15030' Details: Failed to connect to the daemon with an unexpected exception: server failure: ERROR; verify user, missing required user credentials. Make sure the daemon is running on port 15030. There is an issue in the host component that chokes on ";" separator used in MFA compound login credential.
Local fix
Switch to use the MFA separator ":"
Problem summary
**************************************************************** * USERS AFFECTED: 1. All MFA users with compound delimiter ; * **************************************************************** * PROBLEM DESCRIPTION: 1. When connecting IBM DEVELOPER FOR * * Z/OS 17.0.3 using MFA (token * * with passphrase and separator ";") a * * message error occurs in the client * * login: * * RSEG1242 * * 'Failed to launch server on * * <hostname> using daemon running on * * port <nnnn>' * * Details: * * Failed to connect to the daemon with * * an unexpected exception: server * * failure: ERROR; verify user, missing * * required user * * credentials. Make sure the daemon is * * running on port <nnnn>. * **************************************************************** 1. There is an issue in the host component that chokes on ";" separator used in MFA compound login credential.
Problem conclusion
1. Parsing issue was fix. MFA user now could login using their credential with ";" MFA separator
Temporary fix
Comments
APAR Information
APAR number
PH69668
Reported component name
Z/OS EXPLORER E
Reported component ID
5724T0723
Reported release
340
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-01-14
Closed date
2026-02-13
Last modified date
2026-03-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
FEJENF70 FEJJCNFG FEJJJCL FEJJMON FEJTSO FEK1SMPE FEK2RCVE FEK3ALOC FEK4ZFS FEK5MKD FEK6DDEF FEK7APLY FEK8ACPT FEK@CERR FEK@CONE FEK@CONF FEK@CUST FEK@DEB FEK@DESC FEK@FLOW FEK@GEN FEK@GENW FEK@ISPF FEK@IVP FEK@IVPD FEK@IVPW FEK@JCN1 FEK@JCNE FEK@JESJ FEK@MAIN FEK@MIGO FEK@OPTE FEK@OPTG FEK@OPTN FEK@PRIM FEK@RSE1 FEK@RSEO FEK@STRT FEK@TAB1 FEK@TAB2 FEK@TAB3 FEK@WRK1 FEK@WRK2 FEK@WRK3 FEK@WRK4 FEK@WRK5 FEKAPPCC FEKAPPCL FEKAPPCX FEKATTR FEKDSI FEKEESX0 FEKFASIZ FEKFATT1 FEKFBLD FEKFCIPH FEKFCLIE FEKFCMOD FEKFCMPR FEKFCMSG FEKFCOMM FEKFCOPY FEKFCOR6 FEKFCORE FEKFDIR FEKFDIR6 FEKFDIVP FEKFDST0 FEKFDST1 FEKFDST2 FEKFENVF FEKFENVI FEKFENVP FEKFENVR FEKFENVS FEKFEPL FEKFERRF FEKFGDGE FEKFICUL FEKFISPF FEKFIVP0 FEKFIVPA FEKFIVPD FEKFIVPI FEKFIVPJ FEKFIVPT FEKFJESM FEKFJESU FEKFJLIC FEKFJSON FEKFJVM FEKFLATR FEKFLDSI FEKFLDSL FEKFLEOP FEKFLOGS FEKFLPTH FEKFMAI6 FEKFMAIN FEKFMINE FEKFMNTL FEKFNTCE FEKFOMVS FEKFPATT FEKFPKCS FEKFPLUG FEKFPTC FEKFRIVP FEKFRMSG FEKFRSES FEKFRSRV FEKFSCMD FEKFSEND FEKFSSL FEKFSTUP FEKFT000 FEKFT002 FEKFT003 FEKFT004 FEKFT005 FEKFT006 FEKFT007 FEKFT008 FEKFT009 FEKFT010 FEKFTEAM FEKFTIVP FEKFTSO FEKFUTIL FEKFVERS FEKFXITA FEKFXITL FEKFZOS FEKHCONF FEKHCUST FEKHDEB FEKHDESC FEKHFLOW FEKHGEN FEKHISPF FEKHIVP FEKHIVPD FEKHJESJ FEKHMAIN FEKHMIGO FEKHOPTE FEKHOPTN FEKHPRIM FEKHRSE1 FEKHRSEO FEKHSTRT FEKHTAB1 FEKHTAB2 FEKINIT FEKKEYS FEKLOCKA FEKLOGR FEKLOGS FEKM00 FEKM01 FEKM02 FEKMKDIR FEKMOUNT FEKMSGC FEKMSGS FEKPKCS1 FEKRACF FEKRSED FEKSAPF FEKSAPPL FEKSBPX FEKSCLAS FEKSCLOG FEKSCMD FEKSCPYM FEKSCPYU FEKSDSN FEKSENV FEKSETUP FEKSISPF FEKSJCFG FEKSJCMD FEKSJMON FEKSJWT FEKSJWTU FEKSLPA FEKSPROG FEKSPTKT FEKSRSED FEKSSERV FEKSSTC FEKSSU FEKSUSER FEKXCFGE FEKXCFGI FEKXCFGM FEKXCFGT FEKXMAIN FEKXML HUHFCOR6 HUHFCORE
Fix information
Fixed component name
EXP FOR Z/OS HO
Fixed component ID
5655EXP23
Applicable component levels
R340 PSY UO06789
UP26/02/20 P F602
Fix is available
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Document Information
Modified date:
02 March 2026