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Forum Discussion

Shadow's avatar
Shadow
Icon for Cirrus rankCirrus
Nov 07, 2025
Solved

Can't change sync type or failover after tenant upgrade.

I made a mistake that I didn't think in the end would matter, but here's what I did. I had previously upgraded this tenant pair to 17.1.3. Everything was fine, and I intended to install on another p...
BIG-IP
LTM
sync issue
sync type
Upgrading
  • Shadow's avatar
    Shadow
    Nov 10, 2025

    It turns out that this problem isn't related to installing the same version on different boot locations. I had one more pair to upgrade. The upgrade went smoothly. I had no issues at all until I went to change the sync type. The option is grayed out on both the STANDBY and the ACTIVE.

Shadow's avatar
Shadow
Icon for Cirrus rankCirrus
Nov 07, 2025

I know I can push the configuration and try to sync again, but I've done too much already and I'm a bit wary now. Doing that might get the pair in sync, but that doesn't guarantee a failover would work if I still can't manually fail them over.

  • CA_Valli's avatar
    CA_Valli
    Icon for MVP rankMVP
    Nov 07, 2025

    I've just seen this other comment mentioning you can't fail over. 
    How many traffic groups are you running? Is there any specific check that may be failing (for example, HA failsafe configurations) on the other unit?