AT&T Synapse User Manual page 256

Symptom
Device upgrade failed, the
WebUI displays "Login to
target device failed", and the
WebUI and device screens
display the old software
version.
Troubleshooting
Synapse User's Guide
Probable Cause
The software version of the
device you are currently
logged into is no longer
compatible with the software
version of other devices
within the network.
Corrective Action
1. As administrator, log into the WebUI using the IP address
of a device that does not have updated software and is
not having any problems. Click Device Management,
then Update Device in the WebUI navigation menu at
left.
2. From the Update Device drop-down list, select the ATA
or a Gateway or Deskset. Unless this is the last device to
be updated, do not select the device whose IP address
you are using.
3. Click
software and reboots.
4. After the device reboots, check the software version
number on the device to confirm that the upgrade was
successful.
On the Deskset, press MENU –> Deskset
Information –> P Firmware Ver.
On the Gateway or ATA, press the
access the Main Menu. Then select Device
Information, then Software Version.
5. After updating all other devices, upgrade the device
whose IP address you are using.
256
General Troubleshooting
. The selected device updates its
key to