z/OS MVS System Messages, Vol 3 (ASB-BPX)
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ATB069I

z/OS MVS System Messages, Vol 3 (ASB-BPX)
SA38-0670-00

ATB069I
PROTECTED CONVERSATIONS FOR LOGICAL UNIT luname IS NOT AVAILABLE. APPC/MVS PROTECTED CONVERSATIONS SUPPORT REQUIRES VTAM V4R4.

Explanation

The VTAM® APPL statement definition for this APPC/MVS LU specified SYNCLVL=SYNCPT and ATNLOSS=ALL, but the VTAM level on this system is not VTAM Version 4 Release 4 or higher. APPC/MVS requires VTAM V4R4 or higher for LUs to process protected conversations (conversations with a synchronization level of syncpt).

In the message text:
luname
The name of the logical unit that APPC/MVS is activating.

System action

The system ignores the values for the SYNCLVL and ATNLOSS parameters and continues to activate the LU. The LU can process only conversations with a synchronization level of none or confirm.

Operator response

Notify the system programmer.

Programmer response

If you want to define APPC/MVS LUs to support protected conversations, IBM® recommends that you do the following:

  1. Install VTAM V4R4.
  2. Use the SET APPC command to delete the LU.
  3. Use the SET APPC command again to activate the LU with syncpoint capability.

Module

ATBLUPR

Source

APPC/MVS

Routing Code

2

Descriptor Code

4

Parent topic: ATB messages

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