EV9 FSA Agent - Install Failure - ISSCRIPT
I have upgraded an EV7.5 installation to EV8SP5, both FSA and Exchange. There are 5 file servers involved in the FSA configuration, and I upgraded the FSA agent on one server only. This was due to a reboot being required following upgrade - and as I was upgrading to EV9 shortly after I decided to leave the other 4 servers. All worked fine with the one I upgraded and rebooted.
Following the EV9 upgrade I attempted to upgrade the remaining 4 file servers from the 7.5 FSA AGent to EV9SP3 FSA Agent. ALL of the 4 servers failed the upgrade with the same error. I tried both install from with the VAC and also a local install on each file server - same results - each failed and rolled back. The message I am seeing in EV Installation Log is near the end, and is as follows:
ISSCRIPT_VERSION_MISSING = The InstallScript engine is missing from this machine. If available, please run ISScript.msi, or contact your support personnel for further assistance.
I see many references to this message regarding installations of various software products, but nothing relevant for EV. I didn't try to install EV8SP5 on these remaining 4 servers, would that of worked ? Is it an issue with installing EV9SP3 FSA Agent over the EV7.5 agent, it seems strange that the one I picked at random for the EV8SP5 upgrade wotked OK.
Any advice welcome.
AJ
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What version of windows you installing on?
Also take a look at this
http://www.symantec.com/business/support/index?page=content&id=TECH183302
i also saw some references to MSI vs EXE with UAC enabled, you may need to just right click and do Run As Administrator
I'm not sure but perhaps the 9.0.x Agent binaries don't have the logic to upgrade a 7.5.x agent.
It might be worth trying to upgrade the agent to 8.0.x first and see how things are handled.
Otherwise I would suggest to manually un-install the FSA Agent from one system and then try the push install with 9.0.x
WIndows is W2K3 SP2 - so no UAC issues.
I saw that technote - it is specific to System Recovery and none of these entries are in place on my fileservers.
I considered trying the EV8SP5 upgrade (which worked on one file server last week) - but as it was late didn't attempt it last night. The other option of uninstalling the EV7 Agent and trying a fresh install of EV9SP3 was also considered, however I was concerned that if I couldn't get the EV9SP3 agent on I would be left with a system with no functioning agent (at least it is all working OK at present). !
I would have expected that EV9SP3 could update EV7.5 binaries, but I guess if we have to step EV server through 8 to get to 9 maybe the upgrade of the FSA Agent isn't supported (although don't see it noted anywhere)
AJ
I Know it's a different product but the concept is still the same, just a differen product name
But agree with rob, uninstall and reinstall, especially since its only 4 servers
It's strange that you have this on all 4 file servers.
The web results for the error you reported seem to relate to Install Shield.
e.g. http://www.symantec.com/business/support/index?page=content&id=TECH50669
and http://social.technet.microsoft.com/Forums/en-US/configmgrosd/thread/7bf2221c-03ff-4a55-b9fd-32ebaefb89ca/
I would still suggest to manually un-install the Agent from at least one system, and then try installing the 9.0.x.
I will do this and report back (still have a little fear as to what happens if I cannot get ANY agent back onto the file server.....).
May try and upgrade the one I moved to EV8SP5 already up to EV9SP3 and see if that goes OK ??
AJ
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