In our case the hash for the WAPT Deploy utility is not correct.
Error with the WAPT Deploy utility hash in a text terminal window¶
7.4.1.1. WAPT Deploy works manually but not with GPO, what could be the cause?¶
Show solution
Check that port 8088 is listening correctly on the host:
gpresult/hgpo.html&gpo.html
To force the application of the GPO:
gpupdate/force
If the WAPT Deployment utility does not show up you will have to double check the GPO settings:
You may be using an old WAPT Deployment utility version, then downloadthelatestversion of the WAPT Deployment utility from the WAPT Server web page.
Thanks to Emmanuel EUGENE from French public research institution INSERM who submitted this possible cause for the WAPT Deployment utility not functioning properly, if you are replicating domain controllers, ensure that the GPOs are correctly synchronized between your DCs and that ACLs are identically applied on the Sysvol directories.