Hi All

   My customer's Patch Management 2017 U4 FTF1a work fine about 3-4 years...

recently customer response the DAU sync well and provide latest patch list.

but when he select patch and try to download patch cache...it show fail.

I check loader-message.log...it show some informaiton like below:

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[追蹤] [10/14/2022 14:27:43.980] [8992] [ZENLoader] [11433] [] [PatchLicense] [] [Returning valid ] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:27:46.438] [8992] [ZENLoader] [11498] [] [Loader.ComplianceEngine] [] [Software compliance has been updated (0 s).] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:27:47.467] [8992] [ZENLoader] [13570] [] [Loader.ComplianceEngine] [] [Software compliance has been updated (0 s).] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:02.135] [8992] [ZENLoader] [11433] [] [PatchManagement] [] [ Failed to update signature: 2022-10 Cumulative Update for Windows Server 2019 x64 (KB5018419)] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:02.135] [8992] [ZENLoader] [11433] [] [PatchManagement] [] [Exception: java.lang.NullPointerException] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:03.837] [8992] [ZENLoader] [11433] [] [PatchManagement] [] [SCR-ERROR: Failed to copying patch payload file: D:\Program Files (x86)\Novell\ZENworks\work\content-repo\tmp\zpm\plp\windows\Windows10.0-KB5018419-x64.cab] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:03.863] [8992] [ZENLoader] [11433] [] [Loader.MandatoryBaselineManager] [] [The following file failed to download: D:\Program Files (x86)\Novell\ZENworks\work\content-repo\tmp\zpm\plp\windows\Windows10.0-KB5018419-x64.cab] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:03.863] [8992] [ZENLoader] [11433] [] [Loader.MandatoryBaselineManager] [] [Download for patch failed for patch: 2022-10 Cumulative Update for Windows Server 2019 x64 (KB5018419)] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:03.863] [8992] [ZENLoader] [11433] [] [Loader.MandatoryBaselineManager] [] [Failed to create patch cache bundle: 2022-10 Cumulative Update for Windows Server 2019 x64 (KB5018419)] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:04.400] [8992] [ZENLoader] [11498] [] [Loader.ComplianceEngine] [] [Software compliance has been updated (0 s).] [] [] [] [ZENServer]
[追蹤] [10/14/2022 14:28:05.543] [8992] [ZENLoader] [12130] [] [Loader.ComplianceEngine] [] [Software compliance has been updated (0 s).] [] [] [] [ZENServer]

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at the same time , my lab ZCM server use customer License and did the same step...but my server could download well.so not license issue..

I think it may ba network or policy...but no other information could be verity.

Who has similar experience could kindly provide suggestion to me ? (I  have open a new case, waiting engineer assign)

Wencheng