SharePoint compatibility range mismatch between Web Server and database
I have a SharePoint 2010 instance (QA) that had been working. Now when I try to migrating and mounting a content database (or configuration database) I am getting an error and the database is not loaded.
The error I am getting in PowerShell is:
There is a compatibility range mismatch between the Web server and database "", and connections to the data have been blocked to due to this incompatibility. This can happen when a content databasse has not been upgraded to be within the compatibility range of the Web server, or if the database has been upgraded to a higher lever than the web server. The Web server and the database must be upgraded to the same version and build level to return to compatiblity range.
I am working with both SP2007 and SP2010 environments. Using SQL Server 2008. This problem occurs wheather I am trying to mount a SP2007 (conversion) or SP2010 content database. The SQL Server 2008 versions and builds are the same on all SP2010 environments.
I would appreciate any help resolving this issue.
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I am now getting an error for a missing security patch. I will let you know if this resolves the problem after my administrator applies the patch.
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The topology is two SQL Server 2008R2 database servers clustered together with a SP2010 WFE. We will add additional WFEs latter.
Using the command on the WFE:
PSConfig.exe -cmd upgrade -inplace b2b -force -cmd applicationcontent -install –cmd installfeatures
did not work. Using SharePoint configuration Wizard has not worked either. I tried attaching to existing farm.