Try running a trace when you execute the package manually to see what is going on.

Sue

You never mention which log or what version of SSAS so it's...

I would guess the changes were made to the config file, ReportingServicesService.exe.config rather than an exe file. After making any changes to the config file, check the Reporting Services log...

You don't have to select all the columns - you can select one, two, three or whatever columns as long as they are part of the result set you are...

Your missing a comma after the cleanuptime parameter: @CleanupTime = 72

Sue

Your welcome Vinay. The bugs in SSMS are pretty bad and they aren't updated in user voice so it's a good idea to learn t-sql equivalents for things you do...

The Upgrade Advisor that John mentions is now called Data Migration Assistant. You can download the latest version from this link - the details list the supported versions and 2012...

I would try a repair on the Microsoft Visual C++ 2015 Redistributable from Control Panel - select change and then repair. The VS Shell errors are often related to issues...

If you are using SSMS 18.2, there is a bug that causes this type of behavior. It sounds like you may be hitting that issue. It's been fixed in SSMS...

It's not automatic. With manual failover, an administrator executes ALTER AVAILABILITY GROUP AGGroupName FAILOVER on the secondary. Synchronous commit with manual failover is listed in the Overview Of Failover chart...

The Generate Scripts is at the database level so that can also cause some problems - the logins need to be there as that tool generates statements like...

There isn't a lot of information on it as there is no definitive way to do it - it really depends. On a dedicated server for SSRS, SQL Server could...

You would want the log to be at the size it needs for regular operations. If you shrink it regularly you take away the space it needs regularly and in...

The Generate Scripts is at the database level so that can also cause some problems - the logins need to be there as that tool generates statements like CREATE USER...

No, just indexes. It's in the FAQ - under Why...