=== Verbose logging started: 10/08/2025 10:09:40 Build type: SHIP UNICODE 5.00.10011.00 Calling process: C:\Windows\System32\msiexec.exe === MSI (c) (44:38) [10:09:40:467]: Font created. Charset: Req=0, Ret=0, Font: Req=MS Shell Dlg, Ret=MS Shell Dlg MSI (c) (44:38) [10:09:40:469]: Font created. Charset: Req=0, Ret=0, Font: Req=MS Shell Dlg, Ret=MS Shell Dlg MSI (c) (44:00) [10:09:40:527]: Resetting cached policy values MSI (c) (44:00) [10:09:40:527]: Machine policy value 'Debug' is 0 MSI (c) (44:00) [10:09:40:527]: ******* RunEngine: ******* Product: {CD981244-E9B8-405A-9026-6AEB9DCEF1F1} ******* Action: ******* CommandLine: ********** MSI (c) (44:00) [10:09:40:530]: Machine policy value 'DisableUserInstalls' is 0 MSI (c) (44:00) [10:09:40:684]: Cloaking enabled. MSI (c) (44:00) [10:09:40:684]: Attempting to enable all disabled privileges before calling Install on Server MSI (c) (44:00) [10:09:40:690]: End dialog not enabled MSI (c) (44:00) [10:09:40:691]: Original package ==> C:\Windows\Installer\14927bae.msi MSI (c) (44:00) [10:09:40:691]: Package we're running from ==> C:\Windows\Installer\14927bae.msi MSI (c) (44:00) [10:09:41:075]: APPCOMPAT: Uninstall Flags override found. MSI (c) (44:00) [10:09:41:077]: APPCOMPAT: Uninstall VersionNT override found. MSI (c) (44:00) [10:09:41:077]: APPCOMPAT: Uninstall ServicePackLevel override found. MSI (c) (44:00) [10:09:41:083]: APPCOMPAT: looking for appcompat database entry with ProductCode '{CD981244-E9B8-405A-9026-6AEB9DCEF1F1}'. MSI (c) (44:00) [10:09:41:084]: APPCOMPAT: no matching ProductCode found in database. MSI (c) (44:00) [10:09:41:170]: MSCOREE not loaded loading copy from system32 MSI (c) (44:00) [10:09:41:273]: Opening existing patch 'C:\Windows\Installer\45f27ed.msp'. MSI (c) (44:00) [10:09:41:289]: Original patch ==> C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp MSI (c) (44:00) [10:09:41:289]: Patch we're running from ==> C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp MSI (c) (44:00) [10:09:41:290]: SOFTWARE RESTRICTION POLICY: Verifying patch --> 'C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp' against software restriction policy MSI (c) (44:00) [10:09:41:294]: SOFTWARE RESTRICTION POLICY: C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp has a digital signature MSI (c) (44:00) [10:09:45:090]: SOFTWARE RESTRICTION POLICY: C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp is permitted to run at the 'unrestricted' authorization level. MSI (c) (44:00) [10:09:45:093]: SequencePatches starts. Product code: {CD981244-E9B8-405A-9026-6AEB9DCEF1F1}, Product version: 15.2.464.5, Upgrade code: {A4A259AB-A77F-4039-832A-27B431DDFFEA}, Product language 1033 MSI (c) (44:00) [10:09:45:103]: Full optimizations are not possible in the patch sequencer because new patch[es] had been added in the current transaction. MSI (c) (44:00) [10:09:45:129]: The patch sequencer will optimize its execution by not checking the applicability of applied patches. MSI (c) (44:00) [10:09:45:129]: PATCH SEQUENCER: verifying the applicability of QFE patch C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp against product code: {CD981244-E9B8-405A-9026-6AEB9DCEF1F1}, product version: 15.2.464.5, product language 1033 and upgrade code: {A4A259AB-A77F-4039-832A-27B431DDFFEA} MSI (c) (44:00) [10:09:45:131]: Validating transform 'base.1' with validation bits 0x922 MSI (c) (44:00) [10:09:45:133]: Note: 1: 2749 2: base.1 3: C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp 4: 15.2.1748.10 5: 15.2.464.5 MSI (c) (44:00) [10:09:45:133]: 1: 2749 2: base.1 3: C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp 4: 15.2.1748.10 5: 15.2.464.5 MSI (c) (44:00) [10:09:45:133]: PATCH SEQUENCER: QFE patch C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp is not applicable. MSI (c) (44:00) [10:09:45:133]: The original #_QFESequence table: MSI (c) (44:00) [10:09:45:134]: PatchGUID: {DAE4E29C-2433-4E0D-B22C-917CDA03C447} ResultantVersion: 15.2.464.5 PatchFamily: E15_DAT Sequence: 15.2.464.15 Type: QFE MSI (c) (44:00) [10:09:45:134]: The pre-sorted #_QFESequence table: - this is useful to see if patches had been ordered correctly within resultant versions and patch families MSI (c) (44:00) [10:09:45:134]: PatchGUID: {DAE4E29C-2433-4E0D-B22C-917CDA03C447} ResultantVersion: 15.2.464.5 PatchFamily: E15_DAT Sequence: 15.2.464.15 VersionOrder: 0 SequenceOrder: 0 Type: QFE MSI (c) (44:00) [10:09:45:134]: PATCH SEQUENCER: The initial #_Predecessor table: MSI (c) (44:00) [10:09:45:134]: PatchFamily: E15_DAT, PatchGUID: {DAE4E29C-2433-4E0D-B22C-917CDA03C447}, Predecessor GUID: NULL MSI (c) (44:00) [10:09:45:134]: PATCH SEQUENCER: Step 1 MSI (c) (44:00) [10:09:45:134]: PATCH SEQUENCER: patch {DAE4E29C-2433-4E0D-B22C-917CDA03C447} (PatchFamily E15_DAT) will be sequenced. MSI (c) (44:00) [10:09:45:135]: PATCH SEQUENCER: The resulting #_OrderedGUIDs table: MSI (c) (44:00) [10:09:45:135]: Patch: {DAE4E29C-2433-4E0D-B22C-917CDA03C447} Order: 0 (Family: E15_DAT) MSI (c) (44:00) [10:09:45:135]: The ordered #_QFESequence table: - has the final sequence of QFEs. It lists each PatchGUID only once. MSI (c) (44:00) [10:09:45:135]: PatchGUID: {DAE4E29C-2433-4E0D-B22C-917CDA03C447} ResultantVersion: 15.2.464.5 PatchFamily: E15_DAT Sequence: 15.2.464.15 Order: 0 MSI (c) (44:00) [10:09:45:135]: PATCH SEQUENCER: there's no supersedence information available, so no patches will be superseded. MSI (c) (44:00) [10:09:45:135]: SequencePatches returns success. MSI (c) (44:00) [10:09:45:135]: Final Patch Application Order: MSI (c) (44:00) [10:09:45:135]: {DAE4E29C-2433-4E0D-B22C-917CDA03C447} - MSI (c) (44:00) [10:09:45:135]: Other Patches: MSI (c) (44:00) [10:09:45:135]: Unknown\Absent: {48A79B62-7DC6-4BE2-B9D9-1CC569FAE4AD} - C:\Users\administrator.contoso\AppData\Local\Temp\ExchangeServer.msp The upgrade cannot be installed by the Windows Installer service because the program to be upgraded may be missing, or the upgrade may update a different version of the program. Verify that the program to be upgraded exists on your computer and that you have the correct upgrade. C:\Windows\Installer\14927bae.msi MSI (c) (44:00) [10:09:45:138]: Product: Microsoft Exchange Server - Update '{48A79B62-7DC6-4BE2-B9D9-1CC569FAE4AD}' could not be installed. Error code 1642. Additional information is available in the log file C:\Program Files\Microsoft\Exchange Server\V15\Logging\Update\msi\ExchangeUpdate_2025-08-10-080937.log. MSI (c) (44:00) [10:09:45:138]: Windows Installer installed an update. Product Name: Microsoft Exchange Server. Product Version: 15.2.464.5. Product Language: 1033. Manufacturer: Microsoft Corporation. Update Name: {48A79B62-7DC6-4BE2-B9D9-1CC569FAE4AD}. Installation success or error status: 1642. MSI (c) (44:00) [10:09:45:139]: Note: 1: 1708 MSI (c) (44:00) [10:09:45:141]: Product: Microsoft Exchange Server -- Installation failed. MSI (c) (44:00) [10:09:45:141]: Windows Installer installed the product. Product Name: Microsoft Exchange Server. Product Version: 15.2.464.5. Product Language: 1033. Manufacturer: Microsoft Corporation. Installation success or error status: 1642. MSI (c) (44:00) [10:09:45:155]: MainEngineThread is returning 1642 === Verbose logging stopped: 10/08/2025 10:09:45 ===