After updating VCF to use depot credentials a 403 forbidden error will occur when attempting to download patches.
In the lcm-debug.log you may see an error similar to the following:
####-##-##T##:##:##.###+#### [pool-11-thread-1] DEBUG [com.vmware.evo.sddc.lcm.bundle.download.depot.DepotDownloader]
Getting file size for [/COMP/SDDC_MANAGER_VCF/bundles/bundle-201200.tar] from URL[https://dl.broadcom.com:443/<TOKEN>/PROD/COMP/SDDC_MANAGER_VCF/bundles/bundle-201200.tar]
####-##-##T##:##:##.###+#### [pool-11-thread-1] DEBUG [com.vmware.evo.sddc.lcm.bundle.download.depot.DepotDownloader]
Executing HEAD /<TOKEN>/PROD/COMP/SDDC_MANAGER_VCF/bundles/bundle-201200.tar
####-##-##T##:##:##.###+#### [pool-11-thread-1] DEBUG [com.vmware.vcf.secure.truststore.DynamicTrustManager]
Checking validity of certificate chain CN=####,CN=####, O=####, C=####,CN=####, O=####, C=####
####-##-##T##:##:##.###+#### [pool-11-thread-1] DEBUG [com.vmware.vcf.secure.truststore.DynamicTrustManager]
Certificate chain CN=####,CN=####, O=####, C=####,CN=####, O=####, C=#### is valid
####-##-##T##:##:##.###+#### [pool-11-thread-1] DEBUG [com.vmware.evo.sddc.lcm.bundle.download.depot.DepotDownloader]
Got response: 403 Forbidden HTTP/1.1
####-##-##T##:##:##.###+#### [pool-11-thread-1] ERROR [com.vmware.evo.sddc.lcm.bundle.download.depot.DepotDownloader]
Error getting file size, got response: 403 Forbidden HTTP/1.1
####-##-##T##:##:##.###+#### [pool-11-thread-1] ERROR [com.vmware.evo.sddc.lcm.bundle.download.depot.DepotBundleDownloadServiceImpl]
Got Http error[403] while downloading bundle [/COMP/SDDC_MANAGER_VCF/bundles/bundle-201200.tar]
####-##-##T##:##:##.###+#### [pool-11-thread-1] DEBUG [com.vmware.evo.sddc.lcm.tools.common.BundleDownloadUtil]
Failed bundle-201200 download stacktrace
com.vmware.evo.sddc.lcm.model.depot.exception.BundleDownloadFailureException: Error [403] downloading bundle [/COMP/SDDC_MANAGER_VCF/bundles/bundle-201200.tar] from dl.broadcom.com:443
VCF 4.5.x
The token used is not correct for the customer Site ID.
Confirm the token in use is for the correct Site ID and update the application-asyncpatch.properties file accordingly. See "ASYNC_PATCH_INPUT_SPEC_DOWNLOAD_FAILED - Ensure the depot credentials provided are correct" AP tool patch enablement fails while trying to connect to online repositories for more details on updating the file.